Proprietary Compound Path Optics (CPO) permit high efficiency and compact size. Thermal Recovery System recycles heat from the LED to warm batteries for improved performance in low temperatures. High-intensity, waterproof, long-lasting LED light is designed with eLED circuitry to deliver constant brightness. Rubber-covered push-button tail or front switch allows switching light between ON and OFF with continuous or momentary action. Ideal for use on hard hat with accessory clip or fits easily in pocket or belt pouch. Waterproof to 10’. UL® Class l, ll and lll, Div. 1 Grp. A-G; T4 Exia. Made in USA. Features: • Source: eLED with 50,000-hour life • Output: 120 lumens • Run time: 4-5 hours • Power: (4) AA alkaline/LR6 batteries (included) • Length: 6.3"