Type: Programming with the receiver Frequency: 433.92MHz Code: Rolling Code Buttons: 4 When your remote control is lost, you can purchase this replacement remote and pair it with your existing receiver. Once programmed successfully, the remote will function with your system. Replacement for ATA PTX4 RTX-4 Securacode gate and garage door remote controls Compatible with models: CRX-1, CRX-2 433.92MHz rolling code technology Note: This remote is only suitable for systems using ATA PTX4 remotes. Do not purchase if your current remote is not an ATA PTX4 model. Installation guide is not included. Professional installation is recommended. Please verify all specifications to ensure compatibility before purchase. Product may vary slightly between batches in color or design due to manufacturing updates. These variations do not affect functionality. Color: As shown Material: Plastic Package Contents: 2 x Garage Door Opener Remote Note: Light reflection and differences in display screens may cause slight color variation between the product image and actual item. Measurement error allowed is +/- 1-3cm.