Runs on 4 aa batteries not included.
Garage door traffic light.
The stkr parking sensor eliminates the dents and dings from garage fender benders and allows you to safely close the garage door every time.
Red green traffic light dramatically reduces the chance of damage to your door and engine.
You can set the yellow and red distances via two buttons on the sensor box.
Safely and accurately park your car in tight garage spaces.
When the green light is on hold 1 button for 3 seconds it will.
Genie yellow perfect stop parking aid retractable ball compatible with all garage door openers gps r one size 4 5 out of 5 stars 758 6 37 6.
The light will change from flashing red to solid green when the door reaches the full open position indicating when it is clear to exit.