The MB982 Motion-Sensing Light-Sensing Indoor/Outdoor Battery Powered LED Ceiling Light 2-Pack is part of the Mr. Beams line of intelligent wireless LED lights. These lights are the perfect lighting solution for closet, stairway, attic, basement, utility room, porch, gazebo, garage, shower and more. The MB982 uses the best LEDs on the market to put out 100 Lumens of bright white light, covering over 260-Square Feet. The stair lights instantly turn on when motion is detected after dark, and can detect motion from as far as 25-Feet away, with 180-Degree of motion. Auto Shut-Off deactivates lights after 30 seconds of no motion detection, conserving battery life. The bright LEDs never need replacing and are so efficient that you will get more than 3200 activations from each light on one set of batteries. Attach anywhere, inside or outside using the included mounting screws. Tight seals and weather resistant materials allow a Mr. Beams Spotlight to work in all weather conditions. MB982 includes 2 MB980 Motion-Sensing Light Sensing Battery Powered LED Stair Lights, 2 mounting plates 4 screws, and a user manual. 8 C-Cell Batteries Not Included.