The LiftMaster LMWETXU Monitored Wireless Edge Transmitter is a modern and durable device designed for use with LiftMaster, Chamberlain, and other compatible brands. This NEMA 4X rated Bluetooth® transmitter operates on 12V voltage and is backed by a 1-year manufacturer warranty. With a sleek design and compact dimensions of 6.8 inches in height, this plastic transmitter is a reliable choice for securing your property with ease and convenience.