The 953EV is a three-button garage door opener remote with Security+2.0 encryption. Each button can be programmed to control a different garage door opener brand, supporting up to three distinct brands simultaneously. The remote operates at a range of 1,500 ft. and features universal wireless programming for easy setup without wiring modifications. Compatible with nearly all Chamberlain, LiftMaster, and Craftsman garage door openers manufactured after 1993 with photoelectric sensors. Also works with gate operators and MyQ Light Accessories. Not compatible with Craftsman Series 100 openers. Dimensions: 3.19 in. (W) x 1.15 in. (H) x 0.60 in. (D). Includes visor clip and instruction manual. Requires a 3-Volt coin-cell lithium CR2032 battery. Designed for residential use only. Garage door openers without photoelectric sensors do not meet current federal safety regulations and should be replaced.