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 Google Home/Nest, IFTTT. Specifications: Operating voltage: 5V/7-32V DC Product channel: 1 channel LEDs: 3 LEDs(indicate working mode, wifi status, relay on/off status respectively) Two input interfaces Supports to control different voltage ranges USB port power supply more convenient Board consumption: