Designed for maximum illumination with a wide beam to light an entire area; TEN-TAP Programmable switch allows user to select one of three different programs; Solid State power regulation provides maximum light output throughout battery life; 90 degree tilting head reduces neck fatigue; Powered by rechargeable lithium ion battery (recharges) in 5 hours; Features a tethered diffuser cap for flood beam; stores on light body when not in use. Red and green colored lens filters also included; Durable, anodized aluminum construction; gasket-sealed glass lens; Includes rubber and elastic headstraps, USB cord and lithium ion battery