{"product_id":"smart-wifi-zigbee-switch-module-16a-20a-tuya-alexa-google-home","title":"Smart WiFi\/Zigbee 16A–20A Switch Module | Tuya \u0026 Alexa","description":"\n\u003ch2\u003eControl Any Appliance Smartly — WiFi or Zigbee, Your Choice\u003c\/h2\u003e\n\u003cp\u003eTransform any ordinary appliance or light fixture into a fully smart device with this \u003cstrong\u003eWiFi\/Zigbee 3.0 Smart Switch Module\u003c\/strong\u003e. Rated at \u003cstrong\u003e16A–20A\u003c\/strong\u003e, it fits neatly inside a standard switch box, supports 2-way (dual-control) wiring, and works seamlessly with \u003cstrong\u003eTuya Smart Life, Amazon Alexa, Google Home, and Home Assistant\u003c\/strong\u003e — giving you hands-free voice control, remote app access, and automated scheduling from anywhere in the world.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e WiFi version requires no gateway. Zigbee version requires a compatible Zigbee gateway (not included).\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Smart Upgrade\u003c\/strong\u003e — Retrofit desk lamps, downlights, ovens, boilers, or any standard appliance into a smart device without replacing the fixture.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Connectivity\u003c\/strong\u003e — Choose WiFi (no hub needed) or Zigbee 3.0 (stable mesh network via gateway) to suit your existing smart home setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMobile App Control\u003c\/strong\u003e — Use the \u003cem\u003eSmart Life \/ Tuya\u003c\/em\u003e app to switch devices on\/off, set timers, countdowns, and schedules — from anywhere with an internet connection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoice Control\u003c\/strong\u003e — Compatible with Amazon Alexa, Google Home, and Tmall Genie. Simply say \"Alexa, turn on the kitchen lights.\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Scheduling \u0026amp; Timers\u003c\/strong\u003e — Schedule lights, appliances, or HVAC to turn on\/off at specific times automatically, even while away from home.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGroup Control\u003c\/strong\u003e — Group multiple modules for simultaneous switching and unified scheduling of all connected devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Scene Linking\u003c\/strong\u003e — Trigger automated home scenes (e.g., \"Arriving Home\" turns on lights, TV, and air conditioning simultaneously).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFamily Sharing \u0026amp; Security\u003c\/strong\u003e — Share device control with family members via the app. Devices added to the main account stay private until actively shared.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Fast Pairing\u003c\/strong\u003e — Quick, reliable initial setup via Bluetooth for a smooth first-time connection experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eState Memory\u003c\/strong\u003e — After a power outage, the module automatically restores its previous state (configurable to ON, OFF, or last-state memory mode).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 Flexible Wiring Modes\u003c\/strong\u003e — Direct device connection (no wall switch), single-pole switch, or 2-way\/dual-control switch installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Load Rated\u003c\/strong\u003e — Supports 16A–20A loads, making it suitable for lighting, small appliances, and heavier electrical loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified\u003c\/strong\u003e — Meets EU LVD safety standards for high-voltage devices (above 50Vac \/ 75Vdc).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZigbee Link\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16A \/ 20A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiFi 2.4GHz \/ Zigbee 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Apps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTuya Smart Life\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoice Assistants\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAmazon Alexa, Google Home, Home Assistant, Tmall Genie\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApp, Voice, Physical Switch (2-way\/1-way\/no switch)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic (flame-retardant housing)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAbove 50Vac \/ 75Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Smart Switch Relay Module (WiFi or Zigbee 3.0)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Zigbee gateway NOT included. Please ensure you have a compatible Zigbee hub before ordering the Zigbee version.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more guidance on smart home electrical safety standards, visit the U.S. Consumer Product Safety Commission – Home Electrical Safety.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Smart_plug\" target=\"_blank\" rel=\"noopener\"\u003eSmart plug\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the WiFi Smart Switch Module require a hub or gateway?\u003c\/h4\u003e\n\u003cp\u003eA: No — the WiFi version connects directly to your 2.4GHz home WiFi network and requires no additional hub or gateway. The Zigbee 3.0 version, however, does require a compatible Zigbee gateway (sold separately) to function.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this smart switch module compatible with Amazon Alexa and Google Home?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The module is fully compatible with Amazon Alexa, Google Home, Tmall Genie, and Home Assistant via the Tuya Smart Life app. Once connected, you can control your devices using simple voice commands.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I install this module in a 2-way (dual-control) switch setup?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The module supports three wiring configurations: direct device connection (no physical switch), single-pole (1-way) switch, and dual-control (2-way) switch. It can be installed inside a standard switch box without affecting your existing switch functionality.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What happens to the module's state after a power outage?\u003c\/h4\u003e\n\u003cp\u003eA: The module features built-in state memory. You can configure it to restore to ON, OFF, or its last state before the outage — so your devices behave exactly as you expect when power returns.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the WiFi Smart Switch Module require a hub or gateway?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — the WiFi version connects directly to your 2.4GHz home WiFi network and requires no additional hub or gateway. 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