Wide Compatibility: This replacement garage door opener is designed to work with various handheld transmitters, including models HSE4-868-BS, HSE2-868-BS, HS5-868-BS, and others listed in the compatibility information. Specific Frequency Operation: Operates at a frequency of 868 MHz and features a blue LED light indicator and four channels. Matching the frequency is essential, as this device is not compatible with other frequencies—even if the remote controls appear similar. Non-Original, Effective Replacement: This is a replacement garage door opener—not an original manufacturer product—but it delivers reliable performance and durability for smooth garage door operation. Important Compatibility Note: Before purchasing, confirm that your existing remote control model is included in the list of compatible models. This product is designed for 868 MHz systems using rolling codes (indicated by blue LEDs) and is not compatible with fixed-code systems (indicated by red LEDs). Dual Programming Options: This garage door opener supports two programming methods: copying the code from an existing remote or programming directly via 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 product. Measurement tolerance is ±1–3 cm.