Cloning Gate for Garage Door Remote Control Key 433.92mhz 433mhz 50 to 100 m (proof) transmission power: &le; 100mW Working voltage: DC12V Battery are not including, Operating Current:  8mA Working frequency: 433.92MHz(Optional 315MHz), Modulation Mode: ASK (AM) The transmission power:  100mW, Emission Distance: 50 to 100 m (proof) The encoding type: self Copy, The working temperature: -10  C to +50  C