The newest edition to the Garage Laser Park family is the Park Right Dual Garage Laser Park with Motion Activated Light. This unit utilizes laser technology to safely guide your car into a perfectly parked position every time your automatic garage door is activated. Simply press your remote control door opener and motion sensors automatically activates when vehicle enters the garage. Its laser guided parking for your garage. It"s just that simple. Stop guessing when to stop. Stop bumping into garage walls. Two separate laser beams for both your precious vehicles. No more reaching for the light switch when going into the garage with your hands full. This light comes on when it sees you. The motion activated light helps prevent trips or falls as you enter or exit your garage.Each unit comes with one power supply, mounting hardware both tape or screws and two lasers. Also has a battery back up option so you can add (3) AA batteries for power failures or if you don"t have AC power available.