special attention This ewelink module can only be used with our remote: 2.4G (lightweight smart remote). Does not support 433.92MHz RF remote control on the market, please do not buy other remote control! ! ! 4 Channel Dry Contact Wifi Relay(Three Working Modes) Use for 1.Remotely give a pulse signal to turn on or turn off Lights,Lamps.computer and other home appliance. 2.Remotely give a pulse signal to turn on or turn off Garage Door,Door Access,Electric Motor Lock,Sliding Door. 3.Remotely give a pulse signal to control DC Motor,AC Motor to Forward and Reverse. 2.4G smart remote control Our products can only use our 2.4G remote control, if you need a remote control, it is best to contact us to confirm. Do not buy privately 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. 3 Working Modes 1.Self-locking mode : 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. 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 01-3600 seconds. Features: Two Input Ports You could choose Micro USB 5V port or the DC/AC7-32V screw terminal port to supply power in the input to make the pcb board board work. 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 connected home appliances in Tuya or Smart Life APP anytime, anywhere. Such as electric lamps, electric kettles, rice cookers, electric curtains, etc. 2.4G remote control control The WIFI module supports 2.4G remote control, you can control the WIFI module through the 2.4G remote control. Mobile phone control When you are out or at home, you can control the device in your smartphone via 2G/3G/4G mobile network or WIFI. (Note: The router needs to be connected to the Internet, the WIFI module needs to be close to the router, and the wifi module needs to be online in the Tuya Smart Life APP) voice control Compatible with Alexa and Google Assistant, you can use voice control to turn on/off connected appliances. Share Control One device can be controlled by multiple mobile phones, you can share the wifi module with your family. Group Control One mobile phone can control multiple smart devices. You can add wifi modules and other smart devices to a group, then you can turn on/off all smart devices at the same time. Description: Input 1: Micro USB 5V port Input 2: (screw terminal port): DC/AC 7-32V NC NO COM output: passive output (dry contact) Working frequency: 50-60Hz 2.4G smart remote control Working temperature: -20-70 Wifi Standard/Protocol: IEEE 802.11b/g/n, WIFI 2.4Ghz Maximum load: 16A/3500W/4 channels Maximum current: `10A/2000W/channel Size: 75*73*20mm One Switch Controls Multiple Devices Control up to four different devices simultaneously Timer & Schedule Turn your lights on or off regularly Smart Your Garage Mobile phone remote control garage door switch Voice Control WIFI + RF Two Different Control MethodsWIFI+ 2.4G RF remote control Three Working Mode Self-locking, lnterlocking,Jog(default self-locking) Family Sharing Share the control with family member Enjoy the convenience and happiness together Checklist betore using the device *Your smart phone or tablet has connected to a 2.4g WiFi with internet. *You need to enabie Btuetooth of the phone.You have the correct WiFi PWD. *You smart phone or tablet must have access to APPstore,Googte play. *Your router is MAC-open. Steps to Connect Using Ewelink App