Type: Programming with the receiver Frequency: 433.92MHz Code: Rolling Code Buttons: 4 When your remote control is lost, you can purchase this remote control and pair it with your receiver. After successful programming, you will have a working remote control. Replacement for ATA PTX4 RTX-4 Securacode gate and garage door remote controls Compatible with models CRX-1 and CRX-2 Note: If your original remote is not an ATA PTX4 model, do not purchase this product. Installation guide is not included. Professional installation is recommended. Please verify all specifications to ensure compatibility. Product may vary slightly due to batch differences, including minor color variations, which do not affect functionality. Color: As shown Material: Plastic Package Contents: 2 x Garage Door Opener Remote Controls Content limited to items listed above; other accessories are not included. Note: Lighting reflections and screen settings may cause slight color differences between the image and the actual item. Measurement error allowed is +/- 1-3 cm.