Wide compatibility: This garage door opener is a good replacement for LiftMaster and more, and is a direct fit. Easy to use: This garage remote control key is designed with 3 buttons and is convenient to control the door open and close. Fast speed: This garage door opener supports 390Mzh frequency and has a stable signal and can respond quickly. Portable: This key is small and lightweight, wont take much space, and is convenient to carry or store. Long-lasting: Mainly made of strong and sturdy ABS and metal, this remote control key is durable and is not easy to be damaged. Specification: Material: ABS, metal. Color: Show as picture. Size: Approx. 8x4.7cm/3.31x1.85 inch. Button: 3. Battery: Button battery(Included). Fitment Replacement for LiftMaster 91LM/92LM/94LM/96LM/970LM/971LM/972LM/973LM/973W/974LM/976LM. Replacement for Sears Craftsman 139.53680/139.53681/139.53684/00953680000/00953681000. Replacement for Chamberlain 950CB/953CB/956CB/940CB. Note: There might be a bit of color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Remote Control.