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. 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-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. FITS existing Stinger chargers. 10 hours to recharge on 100 V 120 V 230 V or 240 VAC. 12 VDC 2.5 hour fast charger 5-bank charger or Piggyback charger offered. Safety wands ring holder color filters accessories available. Please see other listings for charger and light options.