Specifications: 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 . Feature: 1. Free Battery 2. Free Coding Instructions 3. Free Keychain 4. Heavy Duty Design 5. In-built Battery 6. Button Protector you also need to program on the receiver Compatible Models AVIDSEN 114253 AVIDSEN 104250 AVIDSEN 104251 AVIDSEN 104250 OLD AVIDSEN 104250 RED AVIDSEN104257 AVIDSEN 104350 AVIDSEN 654250 AVIDSEN 114235 433.92MHz rolling code 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. Listing Includes: 1 x Remote Control 1 x Battery 1 x Keychain 1 x English Manual/Instructions