USB Rechargeable LED hand lamp, powered by Li-ion battery.Four light modes, full, half power, flashing and emergency.Rubberised casing.Runtime 3 -7 hours.USB Output socket to charge mobile phones.Emergency function - can be set to automatically turn on during power cuts.Water and shock resistant. 550 Lumens output - 600 metre light beam.Comes complete with mains charger.Weight 646g.L x W X H: 193 x 117 x 132mm.