Solar panel: 0.55W｣ｬ 17% efficiency<br />Li-ion battery: 3.7V 800mAh<br />LED: 20pcs 2835 SMD LED<br />Lumens: 80lm<br />Waterproof: IP44<br />LED Span Life: 50｣ｬ000 hrs<br />Solar Charging Time: 8 hrs<br />Lighting Mode: Dark/ bright｣ｬ Bright: motion activate for lighting<br />Protect Function: over charging｣ｬ over discharging｣ｬ over current｣ｬ short circuit<br />Li-ion Battery Span Life: 500 circles<br />Solar Panel Span Life: more than 2 years