Wide Compatibility: This replacement garage door opener is designed to work seamlessly with a variety of compatible Hormann handheld transmitters including models HSE4-868-BS, HSE2-868-BS, HS5-868-BS, and more. Ensure your model is listed to guarantee compatibility. Specific Frequency Operation: Operates at 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 remote controls look similar. Non-Original, Effective Replacement: While this garage door opener is a replacement and not-original compatible Hormann product, it offers reliable per compatiblemance and durability, ensuring your garage door operates smoothly. Important Compatibility Note: Be compatiblee purchasing, verify that your old remote control is specifically listed in the compatible models. This product is designed compatible 868MHz with scrolling codes (blue LEDs) and will not work with fixed codes (red LEDs). Dual Programming Options: This garage door opener can be programmed by either copying the code from an you remote or directly through the receiver, providing flexibility in setup and ensuring ease of use. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black Material:Plastic Package Contents: 4 x garage door opener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.