Smart Replacement This efficient garage door opener is specially designed to replace 433.92 MHz, not an original product.Universal Compatibility Designed for perfect synchronization for handheld transmitters RSC2, RSE2, Liftronic500700800. However, not suitable for Liftronic 700 Series 2, Liftronic 800 Series 2 or BS Series RSC4433BS, RSZ1433BS.Convenient TwoButton Programming Our 2button garage door opener remote is userfriendly and easy to program, giving you seamless and secure access to your garage.Perfect Dimensions for Portability This remote control is conveniently sized at 66 mm30mm14 mm, making it simply compact and easy to carry around in your pocket or on a key ring.The actual product may have slight color differences or differences, which does not affect the use.Color BlackMaterial PlasticPackage contents2garage door opener 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 allowable measurement error is13 cm.