3 x AAA 1.2V battery (not included); Sensing distance: 1 meter; Sensing angle: 90 degrees; Light lifespan: 10 hours; Standby current: <45uA; Working current: <60mA; LED light on for about 30 seconds (always on with PIR motion within the sensing range); Ambient brightness: <2Lux; Suitable for kitchen / corridor / bedroom / balcony / bathroom use, etc.