Great Substitute: This garage door opener remote is designed as a replacement for existing accessories. To ensure compatibility, review the list of supported models before purchasing. It is important to verify your current remote control's model number to prevent compatibility issues. Broad Compatibility: This remote is compatible with models HSE2-40, HS4-40, HSM4-40, HSE4-40, HS2-40, and HSM2-40. It serves as an ideal replacement for lost or damaged remotes, offering reliable performance and ease of use. Exclusively for 40.685MHz Grey Button Remotes: This remote is only compatible with devices featuring grey buttons. It is not compatible with remotes that have blue, green, or yellow buttons, nor with BiSecur (BS) series models. Please confirm your remote’s button color and specifications prior to purchase. Flexible Programming: This remote can be programmed using two methods. It can be cloned from an existing remote, or programmed directly from the garage door opener’s receiver if no original remote is available. This provides added convenience and flexibility for various installation scenarios. Note: There may be slight variations in color or texture due to lighting and display differences. These minor differences do not affect functionality. Color: Gray Material: Plastic Package Contents: 2 x Garage Door Opener Remotes Please note: Other items shown are not included. Measurement error allowance: +/- 1-3 cm.