Video explanation of garage door installation, universal for 124 channel WiFi moduleWifi 42 Channel Relay (Three Working Modes)Use for1.Remotely give a pulse signal to turn onoff Lights,Lamps and other home appliance.2.Remotely give a pulse signal to turn onoff Garage Door,Door Access3.Remotely give a pulse signal to control DC Motor,AC Motor to Forward and Reverse*The RF433 remote controller don't include batterybattery type:27A 12V23A 12VCR2032*The picture of the battery is in the end of the page.Overview:This product is a 4 channels universal WiFi wireless smart switch with RF 433MHz module, for your smart home system to remotely and automatically turn onoff home appliances and electronic devices by phone APP. It also can be controlled by RF remote controller indoors. It can connect and control four appliances on APP at the same time, and you can independently turn onoff each of the four gangs. It also supports timing turning onoff the appliances at a specified time, and share to others so that you can control your smart home together with your family. You can also voice control your home appliances by Alexa, and for Google HomeNest,IFTTT, and enjoy intelligent life and make your home smarter.3 Working Modes1.Selflocking : Each channel could be switched onoff seperately.You can turn onturn off all channel at the same time.2.Interlocking mode : Switch on any channel , other channels will be switched off automatically.Only one channel can be turn on in the same time.3.Inching mode(jog mode) : Switch on one channel,the channel will be automatically closed after 0.7 seconds .Other channel is same as the channel.If you need to change the mode,you need to change it in APPFeatures:*App Support: Free iOS and for Android mobile App eWeLink.*Sync Status: Realtime device status provided to App.*Remote ONOFF: Turn 4 electrical devices onoff remotely from anywhere.*RF Remote control: Turn onoff by 433MHz RF Remote indoors.*3 Working Modes: Switch among interlockselflockinginching modes.*Independent control: Control each gang separately in APP eWeLink.*Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc.*Timing: Supports 8 enabled countdownsinglerepeat timing tasks to turn onoff at specified time.*DIN Rail Mounted: Great for industrial control.*Voice Control: Compatible perfectly with Alexa, for Google Home, for Google Nest,IFTTT.*Share Control: Control your smart home together with your family.Specifications:Power Supply:DCAC 7V32V USB5V or AC 85V~250V USB 5VMax. Current: 10Agang, 16ATotalMax. Power: 2000W10Agang, 3500W16ATotalOperating Temperature(recommended): 20C70COperating Humidity: 5%90%RH, NoncondensingTransmission mode: WiFi communication,RF Remote ControlWireless Standard: 2.4GHz, 802.11 bgnSecurity Mechanism: WPAPSKWPA2PSKEnclosure Material: Fireretardant ABS V0Gang: 4Product Size: Approx. 112*83*26 (mm)Selling point:How to set Inching mode on the APP?The default working mode is selflockimg mode,Open APP,Click"..."in the upper right corner,and choose Inching Setting"The inching time only available in selflocking mode .The time range can be 0.5 seconds to 60 minutes.If you enable interlocking mode firstly, you can't change the inching time.How to Set Interlocking modeThe default working mode is selflockimg mode,If you need to enter interlocking mode.Open APP,Click"..."in the upper right corner,and choose " interlocking mode"Wiring Diagram433MHz Remote Control:Operating voltage: DC12V (27A12V Without battery)Transmitting frequency: 433MHzEncoding Type: Learning codeTransmission distance : 10100M (Open field)Free screwdriver