LED: SMD 2835 20Pcs = 0.2w/pcs, Battery: 3.7v 1200mAh, Solar Panel: 5.5 v 0.65w, Lumens: 79Lm, 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 it will go to dim.