Important: This product is a replacement and not an original accessory. Other models or frequencies are not available for the listed models and frequencies. For a full compatibility list, please check the detail page below the product. 100% Compatible Garage Door Handheld Transmitter: HS1 HS2 HS4 HSM2 HSM4 HSE2 HSZ1 HSZ2 HSP4 HSP4-C HSD2-A HSD2-C Compatibility and requirements: You need to make sure your original remote control is working, and the buttons are blue. The frequency is 868 MHz. Otherwise, they are not compatible. Performance and range: Same hopping code IC as the original remote control, providing stable performance. The range is 30-150 m in open terrain (in some setups it can be greater than the original remote). Use scenarios: - Replace a worn or lost remote for a household with multiple vehicles; keep a spare in another car. - Control from a detached garage or long driveway where a close-range remote would be insufficient. - Provide a backup remote for family members or roommates sharing access to the same garage.