4 Channel Wifi Relay(Three Working Modes) Use for 1.Remotely give a pulse signal to turn on and turn off Lights,Lamps.PC(Computer) and other home appliance. 2.Remotely give a pulse signal to turn onand turn off Garage Door,Door Access,Sliding Door. 3.Remotely give a pulse signal to control DC Motor,AC Motor to Forward and Reverse. Note 1 The relays is passive output(dry contact), No matter the power you supply in the input, the output don't have same 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. Note 2 The RF433 remote controller don't include battery battery type;27A 12V,The picture of the battery is in the end of the page. Overview: This WIFI 4 channel module can remote turn on/off and can set timing schedules to turn on/off the household appliances via Tuya/Smart life app anywhere and anytime.Also it have three working mode to use for different home appliances. 3 Working Modes 1.Inching mode : Switch on one channel,the channel will be automatically closed after 0.7 seconds .Other channel is same as the channel. 2.Self-locking : each channel could be switched on/off seperately.You can turn on/turn off all channel at the same time. 3.Interlocking mode : Switch on any channel , other channels will be switched off automatically . If you need to change the mode,you need to press the mode button How to Change the Inching Time If you need to change the inching time.you need to press the mode button to enter into self-locking mode or interlocking mode,so you can change the inching time on the APP and the inching time only available in the self-locking or interlocking mode) The time range is 2-3600 seconds. Features: Two Input Ports You could choose USB 5V port or the screw terminal port to supply power in the input to make the pcb board board work. Dry Contact/Passive Output No matter the power you supply in the input, the output don't have any voltage If you do not supply power in output port, the connectted home appliance can't work, you also need to supply power 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. Multiple Share One device can control by Multiple phones,you can share the wifi module with your fam Scene Linkage one phone can control Multiple smart device.You can add the wifi module and other smart device in a group,and then all smart device will be automatically turn on/off at the same time. Different Ways to Control the WIFI Module APP Remote Control You can control the connectted home appliance in Tuya or smart life APP anywhere and anytime.Such as light, electric kettle, electric rice cooker, electric curtain, etc. RF433 ControlThe WIFI Module support RF433 Frequency,and you can control the WIFI module by RF433mhz remote controller. 2.4Ghz WIFI Control You could control the module in your smart phone by 2.4Ghz WIFI Mobile Network Control As soon as you add the device in APP by 2.4Ghz WIFI,you could control the device in your smart phone by 2G/3G/4G Mobile Network. (Note:The router need to online and the WIFI module need to keep a close distance with the router) Voice Control Compatible with Alexa and Google Assistant, you can use the voice control to turn it on/off the connectted home appliances . Description: Input 1: Mircro USB 5V Port(input) Input 2:(screw terminal port): DC/AC 7-32V NO,NC,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 Total load power: 2000W Max current:`10A Size: 75*73*20 mm APP Remote Control You can remote turn on/off household appliances and set timing schedules to turn on/off the household appliances via app Tuya/Smart life anywhere anytime. such as lights, celectric curtains ,electric curtains fans. so you can enjoy an high-tech life. Timer Via app,you can set time schedules to automatic turn on/off the household appliances , such as lights, celectric curtains ,electric curtains fans. so you can enjoy an high-tech life. Family Sharing Share the control with family member.Enjoy the convenience and happiness together View at any time on your mobile phone.Switching power supply Check and control the power switch at any time, saving electricity and convenient to use Three control methods for easy control Voice control, app control, remote control Smart switch, bid farewell to traditional switching methods Control multiple devices at the same time How to pair RF433 remote controller with with the devices. 1.Press the RF433 pairing button for 4 seconds,and wait until the blue led indicator turn on. 2.