First Alert PIR725 Motion Sensing Motion Activated Light Socket Sign Accessories it forms a solid barrier

it forms a solid barrier to gases

Pack of 3 Rolls

Modern design

Contains 2 boards and 9 hangers

First Alert PIR725 Motion Sensing Motion Activated Light Socket Sign Accessories it forms a solid barrierHighlights: Detects motion in all directionsapproximately 360 Senses activity at a distance of 12 feet (when mounted at a height of 8 feet above the floor) Turns the light off automatically approximately 4 minutes after movement in the area stops Works in full daylight, in darkness, and at any light level in between Ideal For Indoor Use In, Laundry Rooms, Garages, Basements, Attics, Walk In Closets, Stairways, Hands Free Automatically Turns Light On