* If you are a distributor, you can contact me to negotiate the bulk purchase price Video explaining the installation of garage doors. 1/2/4 channel WiFi module universal 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 Overview The RF433 remote controller don't include battery battery type;27A 12V, The picture of the battery is in the end of the page. The WIFI module can be controlled by fix code EV1527 RF433 remote controller,and it can't be controlled by rolling code remote controller. 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 3 working modes 1. Self-locking: each channel can be turned on/off individually, and all channels can be turned on/off at the same time. 2. Interlocking mode: open any channel, other channels will be closed automatically. 3. Jog mode: open a channel, the channel will automatically close after 2 seconds. The other channels are the same as this channel. 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 DC/AC7-32V or AC 85-250V 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 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 Control The WIFI Module support 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. Description: Input 1: Micro USB 5V Port Input 2:(screw terminal port): DC/AC 7-32V or AC 85-250V 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 Max load : 16A/3500W/4 Channel Max current:`10A/2000W/Channel Size: 75*73*20 mm 4CH manual 2CH manual 1CH manual