Specifications Encoding method:Rolling code Hign-concerned Chemical:None Model Number:CARDIN Rolling Code Remote Control Origin:CN(Origin) Certification:CE Name:Cardin S449 QZ2 QZ4 remote control Code:Rolling code Frequency:433.92MHz 433MHz Button:2 Battery:CR2032 include CARDIN Model 1:Cardin S449 QZ2 remote 433mhz rolling code CARDIN Model 2:Cardin S449 QZ4 garage opener Universal Duplicator Remote For CARDIN S449 QZ4 TXQ449100 TXQ449200 TXQ449300 TXQ449400 Garage Door Openers Specifications: 1.Type of programming: Programming with the receiver 2.Number of channels: 2 3. Code: Rolling code 4. Frequency: 433.92MHz 5.Woring Range: 10-50 m (open space) 6.Power supply: CR2032. 7.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 Compatible with: Cardin S449 QZ1 Cardin S449 QZ2 Cardin S449 QZ3 Cardin S449 QZ4 TXQ449100 TXQ449200 TXQ449300 TXQ449400 Programming: The remote control is the same function as your original remote.it should programming with original receiver according to your original Manual when you get it. 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 let go. A light should illuminate. 3. Press the desired transmitter button once, and the light will go out. 4. Press the remote again the the light will flash on the motor and then go out, signifying the remote has been coded. 5. Test the operation of the remote. Included Remote Control Battery English Manua