LiftMaster 373P Garage Door Opener Premium Remote Control Transmitter Compatible with chamberlain LiftMaster 3000-series garage door openers Batteries included, built-in technology uses "sleep" mode to conserve battery power when not in use Compatible with all 315mhz chamberlain LiftMaster gate operators Sleek and stylish, leather-like grip Motion-detecting feature streams brilliant blue light from the push button windows