Chamberlain CLLP1-P Aid/Assistant CLLP1, Laser Identifies Perfect Parking Spot, Works Brand Garage Door Opener Accessory More control: the Laser Park Assist helps you find the perfect parking spot every time Powered by the garage door opener, a bright red laser beam activates as the garage is opened, tracks along the vehicles hood as it enters until it reaches the preset marker, and indicates when to stop The laser will automatically deactivate after one minute Highly compatible: specifically designed to work in tandem operation with nearly every Chamberlain, LiftMaster and Craftsman garage door opener installed in North America, its the most seamless and advanced parking solution to add to your garage system Easy setup: simply mount it to the ceiling, power it up and program your preferred parking location Simply safe: protect even the tightest garage space from damage by programming up to two Laser Park Assists with a single garage door opener Included: anchor, screw, two wire nuts, power adapter, and instructions Class II laser product, 1mW power output