REPLACEMENT FOR GARAGE REMOTE: Compatible with Chamberlain, LiftMaster, and other major brands. This remote operates at a frequency of 433.92 MHz, ensuring reliable control over your garage door 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. EXTENSIVE MODEL SUPPORT: Designed to work with numerous Chamberlain, LiftMaster, and MotorLift 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 door or outdoor gate operators simultaneously, providing convenience and efficiency for your home or office. Color: Black Material: Plastic Package Contents: 2 x Garage Door Opener Remote Controls Note: The actual product may vary slightly in color due to lighting and display differences. Measurement may vary by +/- 1-3 cm.