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, the remote will function as intended. Replacement for ATA PTX4 RTX-4 Securacode gate and garage door remote control 433.92MHz rolling code technology. Compatible with CRX-1 and CRX-2 systems. Note: If your original remote is not an ATA PTX4 model, do not purchase this product. Installation guide is not included. Professional installation is strongly recommended. Please verify all specifications to ensure compatibility. Product may vary slightly between batches in design or color due to manufacturing updates. These variations do not affect performance. Color: As shown Material: Plastic Package Contents: 2 x Garage Door Opener Remote Controls Note: The package includes only the items listed above. Other accessories are not included. Due to lighting effects and monitor settings, actual color may vary slightly from image. Measurement allowance is +/- 1-3 cm.