120 Volt Roll Up Shutter Tester and Up & Down Limit Adjuster.
Comes with plastic Limits Adjuster Tool. TO BE USED BY PROS ONLY.
 
NOTE: ONLY PROFESSIONALS SHOULD USE THIS TESTER. IT IS AN ELECTRICAL DEVICE WHICH IMPROPERLY USED COULD CAUSE ELECTRICAL SHOCK, INJURY OR DEATH.
 
Please allow an additional 7 - 10 days for delivery of this item. It is possible that you will receive it sooner.