Broad Compatibility: This replacement garage door opener is designed to work seamlessly with a variety of handheld transmitters, including models HSE4-868-BS, HSE2-868-BS, HS5-868-BS, and more. Please verify your model is on the compatibility list. Specific Frequency Operation: Operates at a frequency of 868MHz and features a blue LED light indicator and four channels. It's crucial to match the frequency as it's not compatible with other frequencies, even if the remotes look alike. Non-Original, Effective Replacement: While this garage door opener is a replacement and not an original product, it offers reliable performance and durability, ensuring your garage door operates smoothly. Important Compatibility Note: Before purchasing, verify that your old remote 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 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 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.