Inspect each sensor to make sure the green or red power indicator lights are illuminated.
Garage door sensor battery.
The skylink 100 amp 1 button visor clip garage the skylink 100 amp 1 button visor clip garage door remote control provides one touch access to your home garage.
This sensor can be used alone to detect if the door is open or closed or can be paired with a z wave relay i used linear fs20z 1 to allow full control of your garage door together costs about 60 instead of expensive manufacturer systems or new garage door opener.
In an open area and is powered by a single 12 volt alkaline battery included.
Whenever there is an obstruction the garage door will automatically reverse before causing any damage.
This unit features a maximum operational distance of 100 ft.