Use for 1.Remotely give a pulse signal to turn on/off Lights,Lamps.PC 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 What can I use it for? *Connect a light, remotely control the switch of the light.Connect a light, remotely control the switch of the light, and can also switch on and off regularly 19:00 On 21:00 Off *Open your curtains regularly 7:00 *Change the water for the fish tank regularly *Use mobile phone or voice control Garage door switch *Control your heater remotely *And your coffee machine *Connect a water pump, remote control or timer switch More functions waiting for you to discover. DIY 3 Working Modes 1.Self-locking : each channel could be switched on/off seperately.You can turn on/turn off all channel at the same time. 2.Interlocking mode : Switch on any channel , other channels will be switched off automatically . 3.Inching mode : Switch on one channel,the channel will be automatically closed after 0.5seconds .Other channel is same as the channel. If you need to change the mode,you need to press the mode button Features: Input voltage : DC5V AC 85-250V Micro USB 5V input. Max current : 2200W/10A. WiFi standard : WiFi 2.4 ghz b/n/g. Description: NC NO COM Output:Passive Output(Dry contact) Working frequency: 50-60Hz Working temperature: -20-70 Wifi standards/ protocol :IEEE 802.11b/g/n, WIFI 2.4Ghz Noted : Your have the correct wif password. Your smart phone or tablet must have access to APP store or google play. Your router is MAC-open. Your smart phone or tablet has connected to a 2.4g wifi with internet. Default inching time 0.5s , you can set inching time from 1s to 3600s in APP ( smart life / tuya smart). Include Smart Switch English manual RF (Choose to buy