Feature:1. *Supports WiFi network. Supports numerous WiFi smart switches on one smart phone.2. *Supports status tracking: device status timely provided to the EWeLink.3. *Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electrocar, etc.4. *Supports max 8 enabled scheduled/countdown/loop timers for each device.5. *Voice Control: Compatible perfectly with \"Amazon\" Alexa, for Home/Nest, IFTTT.6. The Sonoff wireless switch can support remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc.7. Sonoff WIFI switch Supports WiFi network. Supports numerous WiFi smart switches on one smart phone.8. Supports status tracking: device status timely provided to the EWeLink.9. Supports max 8 enabled scheduled/countdown/loop timers for each device.10. Voice Control: Sonoff switch can compatible perfectly with \"Amazon\" Alexa, for Home/Nest, IFTTT.11. Wifi Switch Relay Module supports WiFi network,Supports numerous WiFi smart switches on one smart phone.12. Sonoff Automation Module supports status tracking:device status timely provided to the EWeLink.13. Sonoff Wifi Switch supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electrocar, etc.14. Switch Remote Controller supports max 8 enabled scheduled/countdown/loop timers for each device.15. Voice Control: Compatible perfectly with Amazon Alexa, for Home/Nest, IFTTTSpecification:Note: You can scan the QR code on the package to download the instruction manual.Overview:This wireless switch is a low-cost, affordable device that allows users to remote turn on/off connected appliance of different types and brands via app EWeLink from anywhere anytime in the world, and by setting timing schedules for your appliances, you can maintain an carefree life. It supports inching /self-locking mode. In self-locking mode, customers can remotely turn on/off connected devices immediately. When in inching mode, customers can have two wiring ways to select: Turn on 1s and then auto-off, Turn off 1s and then auto-on.Features*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" Alexa, for Home/Nest, IFTTT.Specifications:Operating voltage: 5V/7-32V DCProduct channel: 1 channelLEDs: 3 LEDs(indicate working mode, wifi status, relay on/off status respectively)Two input interfacesSupports to control different voltage rangesUSB port power supply more convenientBoard consumption: <1WStandby current: 80mAMax input current: 10AMax Wattage: 2200WRelay lifespan: one million 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/g/nMobile 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% RHItem Size: 67*41*20 (mm)Package Information:Package Size: Approx. 10*7*4cm / 3.9*2.8*1.6inPackage Weight: Approx. 35g / 1.2oz Packing List:1 * Wireless Switch ModulePackage List:1 * Wireless Switch Module