WHK-S2 1-Gang Wireless Switch 433Mhz Light DIY Timer Wall Module for Google Home Alexa

WHK-S2 1-Gang Wireless Switch 433Mhz Light DIY Timer Wall Module for Google Home Alexa - Black 433MHZ RF function + WIFI function 2 in 1, smarter and more user-friendly100m long-distance signal, suitable for open areas, the scope of use in non-open areas will be reducedVoice control, works perfectly with Amazon Alexa, Google Home, etcTurn off the lights after leaving, save energySharing function, use the device with family and friendsTiming function, turn on the lights regularlyCountdown function, set the light off time freelyFix with double-sided tape, feel free to pasteFluorescence strip design, you can find the switch at nightSpecifications:Remote control remote distance: up to 100m (theoretical distance)Controller working voltage: AC 90V -250V 110V 220V 60HZ / 50HZController working frequency: 433.92MHZ + 2.4GHz WiFiController WIFI standard: IEEE 802.11 b/g/nController operating temperature: -10? to + 70?Controller size: 83 * 42.3 * 25mmSupport system: Android / IOSSupport application: Tuya or Smart LifeVoice Control: Google Home, Amazon Alexa