Type of programming: Programming with the receiver Number of channels: 4 Code: Rolling code Frequency: 433.92MHz Working Range: 10-50 m (open space) Compatible with: Cardin S449 QZ1 Cardin S449 QZ2 Cardin S449 QZ3 Cardin S449 QZ4 TXQ449100 TXQ449200 TXQ449300 TXQ449400 Remote comes with battery Security of use: Dynamic code provides a high level of security, non-copyable code Disclaimer: Your old remote must match the one shown in the advertisement; the new remote is not compatible with other remotes Programming remotes to receiver The remote control has the same function as your old remote. It must be programmed to the original receiver according to the original manual upon receipt 1. Locate the Learn / Code Set button on the motor. This is usually under the lamp cover or on the back of the motor 2. Press the Learn / Code Set button once, then release. A light should illuminate 3. Press the desired remote button once, and the light will go out 4. Press the remote again; the light will flash on the motor and then go out, indicating the remote has been coded 5. Test the operation of the remote Color: As shown Material: Plastic Package Contents: 2 x Remote Control Only the above package content is included; other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3 cm