1. Type: Programming with the receiver<br> 2. Frequency: 433.92MHz<br> 3. Code: Rolling Code<br> 4. Buttons: 4<br> When your remote control is lost, you can buy our remote control and pair it with your receiver, after the remote control is programmed successfully, you will get a remote control.<br> For ATA PTX4 RTX-4 Securacode Gate Garage Door Remote Control Replacement 433.92MHz Rolling Code For CRX-1 CRX-2<br> Note:<br> If your remote control is not an ATA PTX4, please do not buy it.<br> Installation guide not included, we strongly recommend you seek professional installation.<br> Please check as much as possible to make sure the item is what you need.<br> Tips:The product may be updated constantly,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use.<br> Colour:As Shown<br> Material:Plastic<br> Package Contents:<br> 2 * Garage Door Opener Remote<br> Only the above package content, other products are not included.<br> 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.