, 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 20 seconds , Three modes: Auto (motion sensor activated); On (permanent light, motion sensor off); Off(permanent off, motion sensor off) , Battery Operated: no wiring required, operated by 3x 1.5V AAA batteries (NOT included) , Lightweight and portable design, ideal for anywhere home use, Signstek Motion Sensor table Light is ideal for lighting hallways and bedside tables ,