he difference between the 3 lighting modes: 1? slight light mode : Auto turns on dim light at night 2?human body induction mode : Auto turns on at night when it detects motion and stay on for another 15s after object leaves. 3? human body interaction + slight light mode : Auto turns on dim light at night and turns brighter when it detects motion Specification: ?Dimensions: 5.3*4.3*2.44 In ?Battery: 1800 mAh ?LED: 206 LEDs ?PIR Sensor Angle: 120 Degree ?Sensor Distance: 10-26 ft ?Waterproof Rating: IP65 ?Material: ABS+PC Package Content: ?1 × Solar Motion Sensor Lights ?1 × Screw ?1 × User Manual Read Less