Home Automation Kits descriptions We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. 4 Gang Wifi Smart Switch With Rf Control. Features: Support Countdown Timing and Schedule Timing Support One-key Sharing Device to Other User Support Tracking Device Status Timely Remote Control Through APP Independently Turn On/off 4 Home Appliances 4 Channel Din Rail Mounting WiFi Switch Specifications: Power Supply: 90V~250V AC(50/60Hz) Max. Current: 10A/gang Max. Power2200W/gang, 2200W/ Total Wireless Standard: 802.11 B/g/n Security Mechanism: WPA-PSK/WPA2-PSK Enclosure Material: Fire-retardant ABS V0 Gang: 4 Dimensions: 145*90*40 (mm) Operating Temperature(recommended): 0 ºC-40 ºC(32 °F-104 °F) Operating Humidity: 5%-90%RH, Non-condensing Certification: CE/FCC/RoHS Package Included: 1 X 4 Channel Din Rail Mounting WiFi Switch . Products number : SOMONO95929