AVIDSEN 433.92MHz Rolling Code Garage Door Remote Control Transmitter Compatible with: AVIDSEN 114253 AVIDSEN 104250 AVIDSEN 104251 AVIDSEN 104250 OLD AVIDSEN 104250 RED AVIDSEN104257 AVIDSEN 104350 AVIDSEN 654250 AVIDSEN 114235 433.92MHz rolling code Description: 1.Type of programming: Programming with the receiver 2.Number of channels: 4 3. Code: rolling code 4. Frequency: 433.92MHz 5.Woring Range: 10-50 m (open space) 6.Remote come with Battery !!! Security of use: dynamic code provides a high level of security, non-copyable code. Disclaimer:Your Old remote must be same as the advertisement , new remote do not compatible with other remotes . Programming: 1. Open the casing of your receiver. It is located next to your motor. 2. On the receiver circuit board, press the programming button (PGM). The LED light of the receiver illuminates. Let the button go. 3. In the next 10 seconds, press a button on your new remote control. Let it go.Wait 10 seconds.Your new remote control is programmed. Included 4xRemote Control 4xBattery 4xKeychain 1xEnglish Manual