3pcs Geekcreit® RX480E-4 433MHz Wireless RF Receiver Learning Code Decoder Module 4 Channel Output

Instructions: 1. Clear: Press and hold the learning button for about 3 seconds, the LED will go out, flash 3 times after a while, clear OK. 2, learning the code: press the learning button, the LED lights up, release the learning button, enter the learning mode, press any button of the remote control at this time, transmit the signal, when you see the LED on the receiving module flashes 3 times, that is Indicates that the learning pair code is OK. 3. The remote control after learning can be controlled. Specifications: Working Temperature : -25~75C Frequency band: +-0.2MHz ReceiveDistance: 20-100M ( open space) Receive Sensitivity: -108dB Working Frequency: 433MHz( Others can be customized ) Quiescent Current :