About Receiver:1. Working voltage: DC12V-36V;2. Quiescent condition: Less than 6mA; 3. Working temperature: -40 Degree +80 Degree; 4. Receiver sensitivity: more than -105dBm; 5. Working frequency: 433mhz; 6. Output voltage: DC and AC is optional; 7. Max load current: 10A About Learning and clearing :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 not Respond ,it means clearning code successful. 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