There is no need a , since this lamp turns on automatically when a movement(Detection distance: 0-3 ) is detected and off automatically after a period of time. LED will deliver super-bright lighting. With a daylight sensor installed, the lights only activate in the dark which will save the battery life. Features - Brand: LEDMOMO. - ColorWhite - Luminous flux: 20LM (max). - Voltage: 4.5 V 3 AAA batteries (NOT INCLUDED). - Current: 60mA. - Detection angle: approx. 120°. - Detection distance: 5 (max). - Three mode: Auto(Motion sensor condition), On(Lighting continuously), Off. - Motion sensor for automatic on/off, light won’t activate when light is bright enough. - Light comes on automatically when passing within 6 feet of the sensor, automatically turns off after about 15 seconds but Activities in the detection range - Lightweight and portable design, for home use. - Easier and safer to navigate a darker set stairs, illuminating the space as necessary. - Applications: corridor, housekeeping, hotel lobby, hotel rooms, leisure entertainment, exhibition hall, corridor, etc. Package list: 3 x LEDMOMO Retro LED Night Light Battery-Operated Portable Moving Table Lamp with Warm White Light (Red Bronze)