Sensing distance: 0-3m Motion sensor for automatic on/off operation, light won't light up during day time when it is bright enough. Light will automatically turn on when pass within 6 feet of the sensor, will automatically turn off after about 15 seconds but Activities within the sensing rangeLightweight and portable design, ideal for anywhere home use. No more searching around for a switch This lamp will automatically turn on when motion is sensed and automatically turn off after a period of time. Features energy-efficient LEDs that deliver super-bright long-lasting illumination and with a daylight sensor installed the lights only activate in darkness saving the life of the battery It dutifully lights up your way when checking on baby, heading to the bathroom after dark, or making your way to the kitchen for a late-night snack, makes it easier and safer to navigate a dark set of stairs, by illuminating the space as needed. Applications: corridor, household, hotel lobby, hotel rooms, leisure entertainment, exhibition hall, corridor, etc. SIze:16.5*8*8CM; Battery: 3xAAA battery (not included) Material :PS; Package Includes 1 x Motion Sensor Lamp