... life : ≥ 100,000 h5. Battery : 2-3 pcs 18650 Li-ion, 3.7v&3000mAh per pc. 6. Color : black, silver, ... three short \ three long \ three short) five. Waterproof and anti-fall: seal design, waterproof within two meters. High hardness ... constant voltage charging, overcharge protection, short circuit protection, turn lights and other functions Principal Applications: outdoor hiking, camping, hiking, cycling ...