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 Note The relays is passive output(dry contact), No matter how many power you supply in the input, the output don't have any voltage, you also need to supply power in output. The power supply in the input just can make PCB board work. If you do not supply power in output, the connectted device can't work. 2 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. automatically . 2.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: Dry Contact/Passive Output No matter the power source you supply in the input, the output don't have any voltage If you do not supply power source in output port, the connectted home appliance can't work, you also need to supply power source in output. Timer The connectted home appliances can be automatically turned on/off according to the time schedule. Each channel can set different time schedule. Different Ways to Control the WIFI Module APP Remote Control You can control the connectted home appliance in APP anywhere and anytime.Such as light, electric kettle, electric rice cooker, electric curtain, etc. RF433 Control The WIFI Module support Learning Code RF433 Frequency,and you can control the WIFI module by RF433mhz remote controller. Mobile Phone Control When you go outside or at home,you could control the device in your smart phone by 2G/3G/4G Mobile Network or WIFI. (Note:The router need to online.The WIFI module need to keep a close distance with the router and the wifi module need to online in Tuya Smart Life APP) Voice Control Compatible with Alexa and Google Assistant, you can use the voice control to turn on/off the connectted home appliances . Share Control One device can control by Multiple phones,you can share the wifi module with your family. Group Control one phone can control Multiple smart device.You can add the wifi module and other smart device in a group,and then you can turn on/off all smart device at the same time. App Remote Control Control your smart devices remotely with the app Whole House Intelligence Installation in all parts of the home for whole-house intelligent automation Timing Function Set a schedule in the app to turn on and off your lights according to your own living habits Voice control Simply control your home appliances with simple voice commands Connects Various Electrical Devices Connects various electrical devices. Enables remote control by mobile app Share Function Share control with family and enjoy the convenience brought by smart living. Wiring methods Access control systems, connection methods Features: Input voltage : DC5V DC/AC 7-32V AC 85-250V, Micro USB 5V input. Max current : 2200W/10A. WiFi standard : WiFi 2.4 ghz b/n/g. Size : 1CH 72*45*28mm Description: NC NO COM Output:Passive Output(Dry contact) Working frequency: 50-60Hz RF433 Frequency Working temperature: -20-70 Wifi standards/ protocol :IEEE 802.11b/g/n, WIFI 2.4Ghz RF Function Work with the learning code 433MHz remote control *We recommend purchasing our remote controls Remote control does not include batteries 12V 27A The package contains 1*Switch 1* instruction manual