... :4Ah BXD6010 head flashlight Technical Parameters:Parameter NameUnitDataRated VoltageV3.7Rated CapacityAh4Light Source (LED)Main lightmA350Vice light120Average service ... , Railway, Steel, Oilfield.Features:1.Light source: LED light. High brightness, good fog transmission, high efficiency ... Main and Vice light can be automatic changed.2.Rechargeable Battery: Lithium battery. High energy density, large ...