{"product_id":"st-dc4-wifi-wireless-smart-relay-module-dc-5v-32v-ewelink-app-alexa-google-home-compatible","title":"ST-DC4 WiFi Wireless Smart Relay Module DC 5V-32V eWeLink App Alexa Google Home Compatible Buy Online in India","description":"\u003ch2\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDescription:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1020\" data-end=\"1478\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe ST-DC4 WiFi Wireless Relay Module is a compact and intelligent smart switch designed for DIY home automation, IoT applications, industrial control, and remote device management. Supporting a DC input voltage of 5V to 32V, this versatile relay module can operate in Self-Locking (Toggle) and Inching (Momentary) modes, making it ideal for controlling lights, garage doors, electronic locks, pumps, motors, and other DC-powered devices.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1480\" data-end=\"1740\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePowered by the eWeLink App, the ST-DC4 enables users to remotely control connected devices from anywhere using a smartphone. It also supports Amazon Alexa, Google Home, and IFTTT, allowing convenient voice control and smart automation routines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1742\" data-end=\"1953\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWhether you're building a smart home, automating industrial equipment, or upgrading existing electrical systems, the ST-DC4 provides reliable wireless control with easy installation and stable WiFi connectivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1742\" data-end=\"1953\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cimg alt=\"Momentary\/Self-Locking Smart Switch Module\" src=\"https:\/\/rees52.com\/cdn\/shop\/files\/NewProject-2025-03-04T173203.504.png?v=1741089927\u0026amp;width=1946\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSpecifications:\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eST-DC4 WiFi Wireless Relay Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eInput Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDC 5V – 32V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWiFi Standard\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIEEE 802.11 b\/g\/n (2.4GHz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eApp Support\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eeWeLink App\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWorking Modes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSelf-Locking (Toggle), Inching (Momentary)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eVoice Control\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAmazon Alexa, Google Home\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSmart Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIFTTT Supported\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRelay Output\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eNormally Open (NO), Normally Closed (NC), Common (COM)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWireless Control\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSmartphone via WiFi\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eInstallation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDIY Electronic Projects\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eControl Distance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eUnlimited (Internet Access Required)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCommunication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWiFi\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCompatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAndroid \u0026amp; iOS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHigh-Quality PCB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e-20°C to +70°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0618\/9042\/9095\/files\/New_Project_-_2025-03-04T173322.648.png?v=1741089989\"\u003e\u003c\/h2\u003e\n\u003ch2\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFeatures:\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"14z5fvf\" data-start=\"2715\" data-end=\"2755\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSupports DC 5V to 32V power input.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1x5nnb0\" data-start=\"2756\" data-end=\"2793\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBuilt-in WiFi wireless control.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1o8u2mn\" data-start=\"2794\" data-end=\"2843\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCompatible with eWeLink mobile application.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1g8xhmn\" data-start=\"2844\" data-end=\"2887\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSupports Amazon Alexa voice commands.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"145pq1y\" data-start=\"2888\" data-end=\"2938\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCompatible with Google Home voice assistant.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1fugnk7\" data-start=\"2939\" data-end=\"2977\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSupports IFTTT smart automation.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eApplications:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"163agkh\" data-start=\"3322\" data-end=\"3345\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSmart Home Automation\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"6gmw2w\" data-start=\"3346\" data-end=\"3370\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSmart Lighting Control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"g7d0pi\" data-start=\"3371\" data-end=\"3395\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGarage Door Automation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"fv6s29\" data-start=\"3396\" data-end=\"3424\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eElectric Door Lock Control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1evgiyi\" data-start=\"3425\" data-end=\"3448\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWater Pump Automation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"19xpp4h\" data-start=\"3449\" data-end=\"3466\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMotor Switching\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"17og4a8\" data-start=\"3467\" data-end=\"3490\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIndustrial Automation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1yh8dgm\" data-start=\"3491\" data-end=\"3517\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRemote Appliance Control\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSafety Precautions:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"14j0509\" data-start=\"3715\" data-end=\"3769\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eVerify the input voltage before powering the module.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"wie1ld\" data-start=\"3770\" data-end=\"3817\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eUse only a stable DC 5V–32V power supply.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"gr5rc9\" data-start=\"3818\" data-end=\"3858\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eEnsure correct polarity during wiring.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"8pivph\" data-start=\"3859\" data-end=\"3907\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDo not exceed the relay's maximum load rating.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"14n6883\" data-start=\"3908\" data-end=\"3954\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eKeep away from water and excessive humidity.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"o1873w\" data-start=\"3955\" data-end=\"3994\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDisconnect power before installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1qw62zl\" data-start=\"3995\" data-end=\"4057\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eInstall in a ventilated enclosure for long-term reliability.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFrequently Asked Questions ( FAQs )\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"o0r6l4\" data-start=\"4255\" data-end=\"4292\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eQ1. Which mobile app is required?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4293\" data-end=\"4369\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA: The relay works with the eWeLink App for Android and iOS devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1skasl8\" data-start=\"4371\" data-end=\"4408\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eQ2. Does it support Amazon Alexa?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4409\" data-end=\"4474\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA: Yes, it is compatible with Amazon Alexa for voice control.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1wq5rze\" data-start=\"4476\" data-end=\"4519\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eQ3. Can I control it using Google Home?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4520\" data-end=\"4575\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA: Yes, Google Home integration is fully supported.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1aw5xjh\" data-start=\"4577\" data-end=\"4606\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eQ4. What is Inching Mode?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4607\" data-end=\"4699\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA: Inching mode turns the relay ON for a preset time before automatically switching OFF.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1nv6e62\" data-start=\"4701\" data-end=\"4735\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eQ5. What is Self-Locking Mode?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4736\" data-end=\"4822\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eA: Self-Locking mode keeps the relay ON or OFF until the next command is received.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePackage Included:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cem\u003e1x ST-DC4 WiFi Wireless Smart Relay Module\u003c\/em\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eWHY PURCHASE FROM FIFTRONICS ? \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e✔️ 100% Tested \u0026amp; Reliable Products - Every product is carefully checked for quality and performance\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e✔️ Fast \u0026amp; Secure Delivery Across India - Quick dispatch with safe packaging\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e✔️ Trusted Electronics \u0026amp; Robotics Store - Preferred choice for DIY enthusiasts, students, engineers and Industrial Supply\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e✔️ Guaranteed Best Prices on Bulk Quantity - Competitive pricing with special discounts on bulk orders\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e✔️ Wide Range of Products - Everything you need for IoT, robotics, and electronics projects\u003c\/span\u003e\u003c\/p\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":47713499316402,"sku":"FA29049","price":1699.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/0588\/3570\/files\/1_32ef3e5c-ab36-41e3-b30d-10a54be36437.png?v=1784128473","url":"https:\/\/fiftronics.com\/products\/st-dc4-wifi-wireless-smart-relay-module-dc-5v-32v-ewelink-app-alexa-google-home-compatible","provider":"FIFTRONICS","version":"1.0","type":"link"}