Great Substitute: This garage door opener is designed to replace original accessories. To ensure compatibility, check the device models listed below before purchasing. It is important to verify your remote control's model to avoid compatibility issues.Broad Compatibility: Our garage remote control is compatible with Hormann models including HSE2-40, HS4-40, HSM4-40, HSE4-40, HS2-40, and HSM2-40. It is an ideal solution for replacing lost or damaged remote controls, offering easy access and reliable operation.Exclusively for 40.685MHz Grey Button: This remote is only compatible with Hormann remotes featuring grey buttons. It is not compatible with remotes that have blue, green, or yellow buttons, or with Hormann BiSecur (BS) series models. Please confirm your remote’s design before purchase.Flexible Programming: The remote supports two programming methods. It can be programmed as a duplicate of the original remote or set up directly from the garage door opener’s operator or receiver if the original remote is unavailable, providing flexibility for various situations.Note: Slight color variations may occur due to lighting and display differences. These do not affect functionality. Color: Gray Material: Plastic Package Contents: 2 x Garage Door Opener Remote Controls Please note: Other items shown in images are not included. Measurement error allowance: +/- 1-3 cm.