Wide Compatibility: This replacement garage door opener is designed to work seamlessly with various handheld transmitters, including models HSE4-868-BS, HSE2-868-BS, HS5-868-BS, and more. Ensure your model is listed for 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 appear similar. Non-Original, Effective Replacement: This garage door opener is a replacement unit, not an original product, and provides reliable performance and durability for smooth garage door operation. Important Compatibility Note: Before purchasing, confirm that your existing remote control model is specifically listed as compatible. 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 by copying the code from your existing remote or directly through the receiver, offering flexible setup and ease of use. Color: Black Material: Plastic Package Contents: 2 x Garage Door Opener (remote controls only; other items not included) Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.