BC-TL5578 Max Lumens:20LM(SMD LED) Battery type:500mAH Li-ion polymer battery Mode(Runtime):flash1(15h)-flash2(19h)-breath(10h)-quick flash(10h)-slow flash(70h) Charge time: 1h45(depending on USB charger) Main materials: PC Waterproof level:IP65 Size(not include bracket): 75*20*24mm