LED light flashlight with high power single or multi-purpose light-emitting diode as a light source, commonly used as aluminum tube body material to 26650,18650 rechargeable lithium batteries and Cr123, C, AA, AAA and other alkaline batteries Provide power, with efficient microcomputer chip or circuit board connection, issued a bright bright lighting tool! Can be for all types of enterprises and institutions at night (or in the case of poor lighting) to deal with all kinds of emergencies, engineering equipment repair, mining operations, fishing operations, fishing vessels and cabin operations, rail operations, night field Emergency repair operations to provide safe, reliable high-brightness mobile lighting. Outdoor sports, hunting, shooting competition, line maintenance, traffic command, field tourism, operations, forestry, electricity, telecommunications, public security, fire, border, traffic and other construction units.