Wide Compatibility: This replacement garage door opener is designed to work with various Hormann handheld transmitters, including models HSE4-868-BS, HSE2-868-BS, HS5-868-BS, and others. Confirm your model is listed to ensure compatibility. Specific Frequency Operation: Operates at 868MHz and features a blue LED indicator with four channels. It is essential to match the frequency, as this unit is not compatible with other frequencies, even if the remote controls appear similar. Non-Original, Effective Replacement: This garage door opener is a third-party replacement designed for reliable performance and durability, ensuring smooth operation of your garage door. Important Compatibility Note: Before purchasing, verify that your existing remote control model is listed as compatible. This product is designed for 868MHz systems with rolling codes (indicated by blue LEDs) and is not compatible with fixed code systems (red LEDs). Dual Programming Options: This garage door opener can be programmed by copying the code from your existing remote or directly through the receiver, offering flexible setup options and ease of use. Color: Black Material: Plastic Package Contents: 4 x Garage Door Openers Note: The physical color may vary slightly due to lighting and screen display differences, but this does not affect functionality. Measurement may vary by +/- 1-3 cm.