Features: *App Support: Free iOS and for Android mobile App eWeLink. *Sync Status: Real-time device status provided to App. *Remote ON/OFF: Turn 4 electrical devices on/off remotely from anywhere. *RF Remote control: Turn on/off by 433MHz RF Remote indoors. *3 Working Modes: Switch among interlock/self-locking/inching modes. *Independent control: Control each gang separately in APP eWeLink. *Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc. *Timing: Supports 8 enabled countdown/single/repeat timing tasks to turn on/off at specified time. *DIN Rail Mounted: Great for industrial control. *Voice Control: Compatible perfectly with Amazon Alexa, for Google Home, for Google Nest,IFTTT. *Share Control: Control your smart home together with your family. Specifications: Power Supply: DC/AC 7V-32V / USB5V or AC 85V~250V / USB 5V Max. Current: 10A/gang, 16A/Total Max. Power: 2000W/10A/gang, 3500W/16A/Total Operating Temperature(recommended): -20C-70C Operating Humidity: 5%-90%RH, Non-condensing Transmission mode: Wi-Fi communication,RF Remote Control Wireless Standard: 2.4GHz, 802.11 b/g/n Security Mechanism: WPA-PSK/WPA2-PSK Enclosure Material: Fire-retardant ABS V0 Gang: 4 Product Size: Approx. 112*83*26 (mm) Selling point: Hands-free Voice Control Compatible with Alexa & Google Home, the smart switch allows you to control lights on/off with your voice Run 4 Devices Separately - Self-locking Mode Allow you to tum on or off 4 coninected lights independently App Remote Control Just tap on App to turn on a light anytime and anywhere. A lighted house anticipates your arrival Timer & Schedule Set up timing schedules to save the trouble of overcooking the dish Hands-free Voice Control Share Control Share control of your home appliances to your family or friends so that they can also control the devices remotely DIY 433MHz Remote Control: Operating voltage: DC12V (27A/12V Without battery) Transmitting frequency: 433MHz Encoding Type: Learning code Transmission distance : 10-100M (Open field) Free screwdriver