Specifications Hign-concerned Chemical:None Origin:Mainland China Certification:CE Origin:CN(Origin) Certification:CE Model Number:CARDIN Name:Cardin remote control Frequency:433.92mhz SMG-015CARDIN Model 1:Cardin S449 QZ2 remote 433mhz rolling code SMG-015CARDIN Model 2:Cardin S449 QZ4 CARDIN remote control SMG-015CARDIN 433MHz rolling code Compatible Model Cardin S449 QZ2 Cardin S449 QZ4 Specifications: Product material: ABS Product size: 70*30*12mm/2.76*1.18*0.4" Product weight: 55 g Product color: Black Rated voltage: 12V 27A Installation: wireless Corresponding frequency: 433.92 MHz Code: Rolling code Programming - it is very easy 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.