The MB532 Motion-Sensing Light-Sensing Battery Powered LED Stair Light 2-Pack is part of the Mr. Beams line of intelligent wireless LED lights. These lights are the perfect lighting solution for hallways, stairways, steps, bathrooms, closets, decks, and more. The MB530s use the best LEDs on the market to put out 35 Lumens of bright white light, covering over 120-Square Feet each. The stair lights instantly turn on when motion is detected after dark, and can detect motion from as far as 12-Feet away, with 180-Degree of motion. Auto Shut-Off deactivates lights after 20 or 60 seconds of no motion detection, conserving battery life. The bright LEDs never needs replacing and are so efficient that you will get more than 5000 activations from each light on one set of batteries. Attach anywhere, inside or outside the home using the supplied mounting screws. Tight seals and weather resistant materials allow the Mr. Beams step light to work in all weather conditions. MB532 includes 2 MB530 Motion-Sensing Light Sensing Battery Powered LED Stair Lights 4 screws, 4 mounting brackets, and a user manual. 6 C-Cell Batteries Not Included.