The 893LM LiftMaster Garage Door Opener Remote is a 3-button remote with a 260 ft operating range. It is compatible with Sears, Craftsman, and LiftMaster brands, powered by a Lithium-Ion battery, and works with the Amazon Alexa smart home system. This black remote operates on a 315 MHz frequency and is designed for use with the LiftMaster 891LM model. It is made in Mexico. Two available.