Frequency: 433.92MHz Garage Door Opener for S449 QZ1, S449 QZ2, TXQ449100 TXQ449200 The batteries are included with the remote control, which is ready to use immediately upon receipt. BUTTONS & PAIRING:2 button remote control for to control up to 2 garage door openers. Transmission distance: 10-50 meters, requires pairing before use. Rolling code replacement to provide a higher level of security for handheld transmitters. Fast pairing in : copy the original remote quickly and safely face to face. If copying the code is not successful, you can delete the code first and both buttons of the new remote control at the same time until the LED flashes quickly. Material: Remote control for , made of high quality plastic, the buttons are easy to and feel comfortable in the hand. Product features: Frequency: 433.92 MHz. Number of buttons: 2 Channels Battery type: pile CR2032. Compatible Models: PS: Not compatible with other and frequencies. Programming is very simple: The remote control works the same as the original remote control. 1. Find the learning/code set button on the motor. It is usually located under the lampshade or on the back of the motor.2. the learn/code setting button once and release it again. The indicator light should now light up.3. the desired transmitter button once and the indicator light go out.4. the transmitter again. The indicator light on the motor flashes up and down, indicating that the hand-held transmitter has been coded. 5. test the function of the remote control. There are slight differences in color between different production batches, which does not affect the use Material: Plastic Color: As shown Package Contents: 3 x Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.