BC-TL5577 Max Lumens:50LM(LED*12)&20LM(LED*12) Battery type:250mAH Li-ion polymer battery Mode(Runtime):High(3h)-Mid(6h)-Low(12h)-Slow Flashing(10h)-strobe(12h)-Fast-flashing(10h) Charge time: 1h(depending on USB charger) Main materials: Plastic Waterproof level:IPX4 Size(not include bracket): 33*26*20mm