The Streamlight Strion DS HL is an ultra-compact, high-output rechargeable flashlight featuring Dual Switch technology. It provides two independent, easy-to-locate switchesone on the head and one on the tail capfor maximum versatility. The light offers three microprocessor-controlled intensity modes plus a strobe function, reaching up to 700 lumens. Black Anodized Aluminum construction, OAL 6.33, Head Diameter 1.25, Body Diameter 0.95, Weight 5.40 oz, Water Resistant, modes Constant / Momentary / Strobe. This model utilizes a rechargeable Li-ion battery and includes a 120V AC charger. With TEN-TAP Programming, users can choose from three different operating programs to suit their specific tactical needs.