1.Can work 30 meters underwater 2.Hard Light can work 2 hours, work Light about 60 hours. 3.Maximum range 1000 ... other workplace underwater mobile lighting.2.Characteristics: flexible deft, rotating magnetic control switch can be arbitrary rotation, light source adopts ... free, high capacity, one-time, 2 hours, discharge bright light about 60 hours work, reflective glass with aluminum material, gather ...