1.Induction way: famous infrared sensors with double window, large diameter,2.Sensing: built-in light sensor, temperature compensation devices,3.Induction sensitive distance: more than 4 m,4.Induction sensitive Angle: 120 degrees,5.LEDs: 8white Led, the luminance is 1200-1500MCD,6.Power: 3AA batteries(price excluded)7.Two functions: bright all the time and bright by inducting, induction lights up to 1 minute,8.Time interval: don’t need;9.Installation: Magnet on the back and double-sided adhesive,