The WorkStar 364 Ultraviolet (UV) Inspection Light is a high-output, USB rechargeable, commercial-grade aluminum body penlight. It is ideals for air conditioning (A/C) leak detection and features a 3X zoom lens. IP67: waterproof to 1 meter. Includes 2 Alkaline batteries. Approx. 5 inches long., wt 2 oz. USB rechargeable.