LED: SMD 2835 40Pcs = 0.2w/pcs, Battery: 3.7v 2400mAh, Solar Panel: 9v 1.3w, Lummens: 106.78Lm, Waterproof: IP 65, Sensor Method: Light Sensor, Charging in day time and working in night time, When people walk past it goes bright , then after a few seconds dim.