zigbee 4 Channel Relay (Three Working Modes) Use for 1.Remotely give a pulse signal to turn on/off Lights,Lamps and other home appliance. 2.Remotely give a pulse signal to turn on/off Garage Door,Door Access 3.Remotely give a pulse signal to control DC Motor,AC Motor to Forward and Reverse Main Feature: 1.Easy replace your traditional switch to make it smartjust install 1 diy smart switch,suit for EU/UK switch box,please comfirm the size before order. 2.wirelessly control Wirelessly control your lights or devices by voice or automation using your Smart Phone and Alexa or Google Assistants. 3.Max load 3000W 16A/4gang DIY Switch Module Can Control a Wide Range of Lights and Appliances 5.Uses popular"Zigbee/Tuya"android / ios app Versatile APP Allows for Full Control of Your Lights or Compatible Appliances. Multiple Program Options Allow You to Plan the Exact Time to Turn Lights / Fans / Etc. On/Off Automatically 6.Give your devices the ultimate power on/off smart makeover,Simply Wire this Do-It-Yourself Module between your Device and Power Source to convert most any Compatible Product to a Smart one. Specification Input Volage: AC/DC 7-32V AC 85-250 Max current: 2200W 10A/gang Wreless: zigbee RF: 433MHz Working temperature: -20C-70C Size: 69*41*20mm Note: The remote control does not contain batteries