Learning: Press learning button, the indicator flashes and OFF, loosen finger, press any button of the remote transmitter, indicator flashes three times, meaning learning succeeds.(how many times press the learning button according to the working way you need) Clearning: Hold press learning button about 8 seconds,indicator light flashes several times and off, then press remote ,Relay did not Respond, it means clearning code successful. About Receiver: Model No.: AK-C211008 1. Working voltage: DC12V-36V 2. Quiescent condition: Less than 6mA 3. Working temperature: -40℃ - + 80℃ 4. Receiver sensitivity: more than -105dBm 5. Working frequency: 433mhz 6. Max load current: 10A About Working way: Working way changed by Learning button Momentary: Press the Learning Button 1 times. Relay: Press and hold → On; Release → Off. Toggle: Press the Learning Button 2 times. Relay: Press → On; Press same button again → Off. Latched: Press the Learning Button 3 times. Relay: Press → On; Press other button → Off. 2 channel Momentary + 2 channel Latched: Press the Learning Button 4 times. 2 channel Momentary + 2 channel Toggle: Press the Learning Button 5 times. 2 channel Toggle + 2 channel Latched: Press the Learning Button 6 times. About Transmitter: 1. Buttons: 4 Buttons 2. Working Voltage:DC6V 3. Operating frequency :433MHz 4. Remote Distance: 50-100M 5. Operating Current: 12 mAh 6. Encode: EV1527 code Remote Quantity:6PCS Colour:White & Black Material:Plastic+Metal Package Contents: 3 x Remote Control Switch Receiver 6 x Remote Control Switch Transmitter