Supports WiFi network. Supports numerous WiFi smart switches on one smart phone.Supports status tracking: device status timely provided to the EWeLink.Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc.Supports max 8 enabled scheduled/countdown/loop timers for each device.Voice Control: Compatible perfectly with "Amazon" , for Google Home/Nest, IFTTTLEDs: 3 LEDs(indicate working mode, wifi status, relay on/off status respectively)Supports to control different voltage rangesUSB port supply more convenientBoard consumption: Less than 1WStandby current: 80mAMax input current: 10AMax Wattage: 2200WRelay lifespan: greater than equal times100M electrical insulation resistanceElectric shock voltage: 1000VRelay maximum pull time: 15msRelay maximum release time: 5msWorking mode: inching /self-lockingWireless Standard: 2.4GHz, 802.11 b/gMobile App: EWeLink on Android/IOSApplication: access control, turn on PC, garage door, etc.Computer application: Remote control computer bootOperating temperature: -40 degrees to +70 degreesOperating Humidity 40% ~ 80% RH1channel1ch DC7V-32V (No RF function)Size: 70.5x27.4x23mmColour:greenMaterial:plasticPackage Contents:1 x Wifi Switch Relay ModuleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.