GARAGE REMOTE REPLACEMENT: Compatible with Chamberlain, MotorLift, LiftMaster, PowerDrive, and HomEntry. This remote operates on a frequency of 433.92 MHz, ensuring reliable control of your garage doors without interference. WIDE COMPATIBILITY: This garage door remote control is a perfect replacement for models TX2REV, TX4RUNI, TX2EV, TX4EV-F, 84330E, 84333E, 84335E, 84335EML, 94330E, 94333E, 94334E, 94335EML, 1A5639-7, 4330E, and 4335EML. BROAD MODEL SUPPORT: Designed to work with a variety of Chamberlain MotorLift LiftMaster models, including ML510EV, ML700EV, ML1000EV, ML550EV, ML800EV, ML1000EV-F, ML500, ML700, ML750, ML850, ML1000, ML2000, ML4000, ML5500, HC100/HC600ML, LM50, LM60, LM80, LM100, LM130EV-F, LM3800W, LM750EVGB. MULTI-CHANNEL FUNCTIONALITY: This 3-channel wireless handheld transmitter can manage up to 3 garage and exterior door openers simultaneously, providing convenience and efficiency for your home or office. The actual product may have a slight color difference or discrepancy, which does not affect use. Color: Black Material: Plastic Package Contents: 2x Garage Door Opener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.