When you need maximum illumination with a wide beam to search a large area the Strion LED HL rechargeable, high lumen flashlight provides a blast of 500 lumens with 200 meters of beam distance. It has multi-function On/Off push-button tail switch that lets you choose three lighting modes and strobe. It has three modes and strobe: 1. High for a super-bright beam - 500 lumens; 10,000 candela peak beam intensity; 200 meter beam distance; runs 1 hour; 2. Medium for bright light and longer run times ""C 250 lumens; 5,000 candela peak beam intensity; 141 meter beam distance; runs 2 hours 3. Low for light without glare and extended run times ""C 125 lumens; 2,500 candela peak beam intensity; 100 meter beam distance; runs 3.5 hours Its strobe can be used for disorienting or signaling your location which runs for 2.5 hours. It has a C4 LED technology, impervious to shock with a 50,000 hour lifetime, Its lithium ion battery is rechargeable up to 1000 times; fully recharges in 3 hrs. It also has a Clamp style charger holder with digital control circuit that prevents over-charge through its LED which indicates charge status. It is IPX4 water-resistant and a 2 meter impact resistance tested. Its also features 6000 series machined aircraft aluminum with anodized finish, Borofloat high temperature glass lens, Anti-roll head prevents the light from rolling away when you set it down and grooved barrel adapts to long gun mount, It has a 5.9"" (14.99 cm) length and weight of 5.2 oz. (148 grams). It's also Serialized for positive identification.