... Lamp life : ≥ 100,000 h5. Battery : 2-3 pcs 18650 Li-ion, 3.7v&3000mAh per pc. 6. Color : black, silver, bronze ( ... double-coated lenses, highly transparent.11. Waterproof design: interface with high flexible silicone ring seal.12. Lamp : U.S. ... protection function.Intelligent charging: charger adopts chip controlled charging with a constant current, constant voltage charging, overcharge protection, ...