ITEM NAME:Wireless Wall Switch Wall Panel Remote Control Transmitter & Receiver Smart M5Y3 Wireless Wall Switch Wall Panel Remote Control Transmitter & Receiver Smart M5Y3 The first step: Clear the receiver's memory Press the Learning Button on the receivers for 8 times, the codes will be cleaned.After cleaning the code, all the remote control can not work any more. Step Two: Match Wall Panel Remote Transmitter and Receiver.Press the learning key on the receiver twice time, it comes into toggle setting mode. Wait for a moment, the LED will be on , it comes into learning state.Press the remote button, LED indicator on the receiver board will flash then come off. Learning successfully. Use:Electric Door,Automated curtains,Lighting,Universal Wireless Communication:RF Package:Yes Channel:1 Support APP:No Item Type:1CH Relay Remote Control Features:Stick on wall Shell:Yes Color: white + black + green material: plastic Input Power:AC 85V - 250V Quiescent Current:5mA Working temperature:-30~+80℃ Receiving Sensitivity:greater than 97dbm Receiver parameters: RF working frequency: 433.92MHz RF work modes: Superheterodyne receiver Receiving sensitivity: - 107 DBM Remote control distance: 10M The number of can store the remote control: 20 Support remote control type: Learning code,fixed code (customizable rolling code) A variety of work modes: inching, self-locking, interlocking. Connection mode: fixed wiring pillar NO: Output , normal open; COM:Output , common ; NC: Output , normal close. It is a panel wall transmitter that can be stuck onto anywhere. It is a learning code transmitter EV1527 IC Chip. Specifications: Working Voltage: DC12V 27A Battery (Not include) IC Chip: EV1527 Working Current : 20-25ma Big Button wall Transmitter is your best choice for home or Public Places remote control system. Package contents: 2 * single open switches (without battery)