Samyo Light-operated Motion Sensor Activated LED Wall Sconce Brushed Aluminum Energy Saving Hallway Night Light Battery Operated (Warm White) 1 Pcs Elegant design, Energy saving and long working life. It is widely used in cabinet, corridor, stairs, closet, children's room, bedroom, bathroom and kitchen room. Motion Sensor: lights turn on when motion is detected, turns off automatically after 15 seconds. Detecting distance: Max 16.4 Ft. Three modes: AUTO / ON / OFF. Battery Operated: powered by 4pcs AA batteries (battery not included). Simple installation. It can be mounted with included 3M double sided tape, or install it with screws.