BC-FL1685 Max Lumens:500lumens Battery type:1500mAH Li-ion polymer battery Mode(Runtime):50%(3.5h)-30%(5h)-50%(3.5h)-30%(5h)-100%(2.5h)-breath(2.5h)-strobe(2.5h) Charge time: 2-3hours(depending on USB charger) Main materials: Aluminum Waterproof level:IPX4 Size(not include bracket): 68*40*20mm