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 brands can be controlled via phone APP EWeLink from anywhere anytime in the world. Meanwhile, by setting timing schedules for your appliances and sharing control your smart home together with your family, you can maintain an carefree life. Features: xSupports WiFi network. Supports numerous WiFi smart switches on one smart phone. xSupports status tracking: device status timely provided to the EWeLink. xSupports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc. xSupports max 8 enabled scheduled or countdown or loop timers for each device. xVoice Control: Compatible perfectly with "" Alexa, for Google Home or Nest, IFTTT. Specifications: Working voltage: 5V or 7-32V DC Indicator: With a signal indicator, relay pull the light Two input interfaces: Wiring input DC7-32V and USB DC5V Supports to control different voltage ranges USB port power supply more convenient Board consumption: Standby current: 80mA Input current: 10A Wattage: 2200W 4 Channel Total Load: 10A or 2200W Single Load: 10A or 2200W Relay lifespan: 1000000 times Electrical insulation resistance: 100M Electric shock voltage: 1000V Relay maximum suction time: 15ms Relay maximum release time: 5ms Working mode: Inching or self-locking, Interlock Transmission mode: Wi-Fi communication Wireless Standard: 2.4GHz, 802.11 b or g or n Mobile App: EWeLink on Android or IOS Applicable occasions: smart home. Wifi control Control distance: infinity Controlled lines: 4 Enclosure Material: Fire-retardant ABS Operating temperature: -40 degrees to and70 degrees Operating Humidity 40 percent - 80 percent RH Item Size: 74x73x24 (mm) Package Information: Package Size: Approx. 12x10x6cm or 4.7x3.9x2.4in Package Weight: Approx. 156g or 5.5oz Packing List: 2 x 4CH WIFI Switch Module