Wide Compatibility: This replacement garage door opener is designed to work seamlessly with a variety of Hormann handheld transmitters, including models HSE4-868-BS, HSE2-868-BS, HS5-868-BS, and more. Please ensure your model is listed to guarantee compatibility. Specific Frequency Operation: Operates on a frequency of 868MHz and features a blue LED light indicator and four channels. It is crucial to match the frequency as it is not compatible with other frequencies, even if the remotes look similar. Non-Original, Effective Replacement: While this garage door opener is a replacement and not an original Hormann product, it offers reliable performance and durability, ensuring smooth operation of your garage door. Important Compatibility Note: Before purchasing, please verify that your old remote control is specifically listed among the compatible models. This product is designed for 868MHz with rolling codes (blue LEDs) and will not work with fixed codes (red LEDs). Dual Programming Options: This garage door opener can be programmed either by copying the code from a remote control or directly via the receiver, providing flexibility in installation and ensuring ease of use. Color: Black Material: Plastic Package Contents: 2 x Garage Door Opener