Small size, wireless controlSmall size, stable and reliable performance, high reception sensitivity, through wireless signals to control the equipment you want to control, bring more convenience to your life.<br> 220V,Wide ApplicationWhich is mainly used to control household electronic equipment, such as remote control water pump switch, garage door, curtain, tubular motor, lamp, various small household appliances, etc. The 2-channel design can control the on and off of 2 products, It can also control the forward and reverse rotation of one motor.<br> 2 Remote Controls3 working modes can be switched (Momentary/ Toggle/ Latched). Supports 433MHz frequency. The learning code has high level security for its low repeat rate and relearn mode, by which it can delete the old code and relearn a new code when a remote is lost, so that you keep some always in control.<br> Simple operation Simple installation, learning and control. Two independent relay channels can work together for polarity reversal or individually (Momentary/Latched) to control different electronics. IC storage capacity on the receiver is limited. Only 15 remotes can be stored.<br> Package Included and Quality AssuranceComes with 2pcs 2button transmitter and 1pc 220v 2CH receiver. Note: If you encounter any problems during use, please don"t worry, please send an email to us, we will be responsible for the products we sell, thank you<br> Working method:<br> 1. Momentary: press the button on the remote control to connect the receiver relay; release the button to disconnect the relay from the receiver.<br> 2. Toggle: Press and release the remote control button to connect the relay; press the button again to disconnect the relay from the receiver.<br> 3. Latched: Press button A on the remote control to control relay A, and relay B will stop working.<br> Press button B on the remote control to control relay B, and relay A will stop working. work.<br> Press any button except A and B button or press and hold A + B at the same time, all relays will stop working.<br> 4 . Deleting data of existing remotes: By pressing the learning key button on the receiver board 8 times, the LED indicator flashes 8 times, the existing remotes are deleted successfully.<br> Recipient:<br> Working frequency: 433.92 Mhz<br> RF working mode: superheterodyne<br> Receiver sensitivity: -110dBM<br> Receiving sensitivity:> 97 dbm<br> Decoding mode: MCU software decoding<br> Can store remote control: 15<br> Matching mode:: learning code<br> Working Temperature: -10~+70<br> Transmitter:<br> RF Frequency: 433.92MHz.<br> IC Type: Code d learning<br> Button: 2 buttons