Wide Compatibility: This replacement garage door opener is designed to work with various handheld transmitters, including models HSE4-868-BS, HSE2-868-BS, and HS5-868-BS. Specific Frequency Operation: Operates at 868 MHz and features a blue LED indicator and four channels. It is essential to match the frequency, as this device is not compatible with other frequencies, even if remotes appear similar. Non-Original, Effective Replacement: This is a replacement garage door opener—not an original product—but provides reliable performance and durability for smooth garage door operation. Important Compatibility Note: Before purchasing, confirm that your existing remote is listed among the compatible models. This product is designed for 868 MHz systems with rolling codes (blue LED) and is not compatible with fixed-code systems (red LED). Dual Programming Options: Can be programmed by copying the code from an existing remote or directly through the receiver, offering flexible and straightforward setup. Color: Black Material: Plastic Package Contents: 2 x garage door opener Note: Light reflection and display differences may cause slight color variation between the image and the actual item. Measurement tolerance is ±1–3 cm.