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