The LiftMaster LMWEKITU Monitored Wireless Edge Kit is a modern, rust-resistant, and water-resistant device designed specifically for LiftMaster brand garage door openers. This kit includes a 12V wireless edge kit with dimensions of 6.8 inches in height and 2 inches in width, weighing 3.3 lbs. Made of durable plastic material, this kit is compatible with LiftMaster products and offers reliable performance for your home improvement needs.