This remote control is specifically designed for handheld transmitters and is only compatible with 40.685 MHz grey button models. It is not suitable for other BS series BiSecur coloured buttons and remote controls, ensuring eact compatibility and functionality.Perfect replacement for garage door remotes fully compatible with handheld transmitter models HSE240, HSE440, HS240, HS440, HSM240 and HSM440. This remote replaces broken or lost devices without complicated programming.Enhance your access with a 4channel wireless handheld transmitter that can control up to 4 garage and front doors. This featurerich remote offers epanded control, allowing you to manage multiple access points with a single device.Compact and portable design makes this remote a perfect addition to your keychain. The small size makes it easy to carry and doesnt add bulk. This remote offers convenience and ease of use, making it an ideal choice for everyday use.Color GrayMaterial PlasticPackage contents2 Garage door remote controlOnly the above package contents, other products are not included.Note Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is 13cm.