Overview:This wireless switch is a low-cost, affordable device with fool type wifi control module, no programming, only need to download an APP and link WIFI then can control the own cloud. As long as the module links WIFI, the connected appliance of different types and can be controlled via phone APP EWeLink from anywhere anytime in the world. It integrates with a 433MHz RF receiver module, so the WIFI switch can be controlled by RF Remote indoors. Meanwhile, by setting timing schedules for your appliances and sharing control your with your family, you can maintain an carefree life. Features: Supports WiFi network. Supports numerous WiFi smart switches on one smart phone. Supports status tracking: device status provided to the EWeLink. Supports remotely turn on or off connected appliances, for example light, electric , electric rice cooker, electric curtain, etc. Supports max 8 enabled scheduled/countdown/loop for each device. Voice Control: Compatible perfectly with "Amazon" , for Google Home/Nest, IFTTT. RF Function: Supports controlled by 2.4G Remote Controller. Share Control: Control your with your family. Specifications: Working voltage: 5V DC /85-250V AC DC Indicator: With a signal indicator, relay pull the light Two input interfaces: Wiring input DC5V & USB DC5V Supports to control different voltage ranges USB port power supply more convenient Board consumption: Less than 1W Standby current: 80mA Standby power: Less than 0.5W Input current: 10A; Wattage: 2200W 4 Channel Load: 10A/2200W Single Load: 10A/2200W Relay lifespan: 1000000 Electrical insulation resistance: 100M Electric shock voltage: 1000V Relay maximum suction time: 15ms Relay maximum release time: 5ms Working mode: inching /self-locking, Interlock Transmission mode: Wi-Fi communication Wireless Standard: 2.4GHz, 802.11 b/g Mobile App: EWeLink on Android/IOS Applicable occasions: . Wifi control Control distance: Controlled lines: 4 color: White Enclosure : Fire-retardant ABS Remote Control battery: 1 x 12V 23A (included) Operating temperature: -40 degrees to +70 degrees Operating Humidity 40% ~ 80% RH Item Size: 81 x 76 x 28 (mm) Package Contents: 1 x 4CH RF WIFI Switch Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.