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 others listed. Ensure your model is included in the compatible list. Specific Frequency Operation: Operates at 868MHz with a blue LED light indicator and four channels. Matching the frequency is essential, 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 systems with rolling codes (blue LEDs) and is not compatible with fixed code systems (red LEDs). Dual Programming Options: The 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 Openers. Only the items listed are included; other products are not. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.