Description: Voltage: AC85-265V 50/60Hz Max Current: 30A WIFI frequency:2.4G. IEEE 802.11 b/g/n Remote control frequency: RF433 Remote Controller Battery is included in the RF433 remote control Battery type:23A 12V Features: Supports WiFi network. Supports numerous WiFi smart switches control by one smart phone. Supports RF433mhz remote control,The maximum open distance is 100 meters(328ft) Supports status tracking: device status timely provided to the tuya / smart life app. Supports remotely turn on or off connected home appliances, for example light, electric kettle,air compressor,pool pump motor,hot water heater and High-power electrical appliances etc. Supports scheduled/countdown/loop timers for each device. Voice Control: Compatible with "Amazon" Alexa, for Google Home/Nest, IFTTT. Two Working Mode tuya APP Inching/ Self-locking WIFI Wireless Smart Home Switch. Remote Control by Amazon Alexa. This product is a wireless switch which supports inching /self-locking mode. Users can add the device to the tuya APP in order to remotely control connected home appliances. In self-locking mode, customers can remotely turn on/off connected devices immediately. When in inching mode, you can set the inching time in APP. And the product will automatically closed after the inching time.