Two switches are better than one! The Stinger DS™ LED is the only rechargeable flashlight with a fully independent dual switch. DUAL SWITCH TECHNOLOGY – Access any of the three variable lighting modes and strobe via the tail cap or the head-mounted switch Head switch operates independently from the tail cap switch The combination of a rechargeable battery and a lifetime super high flux LED results in the lowest operating cost of any flashlight made. Deep-dish parabolic reflector produces a long range targeting beam with optimal peripheral illumination to aid in navigation. Lumens: 80 typical Runtime: High – Up to 1.75 hours; Medium – Up to 3.5 hours; Low – up to 6.75 hours; Strobe – Up to 5.5 hours Optimized electronics provides regulated intensity Length – 8.85 " (22.48 cm) Weight – 12.8 oz (364 grams) 6000 series machined aircraft aluminum with non-slip rubberized comfort grip Unbreakable Polycarbonate with scratch-resistant coating O-Ring sealed construction 3 watt super high flux LED, impervious to shock 3-cell, 3.6 Volt Nickel cadmium sub-C battery is rechargeable up to 1000 times Includes Anti-roll Ring Fits existing Stinger chargers 10 hours to recharge on 100V, 120V, 230V or 240V AC 12V DC 2.5 hour fast charger, 5-bank charger or PiggyBack® charger offered