3 watt Super High-Flux LED, impervious to shock with a 20,000 hr. lifetime. Runtime: High Beam- Up to 1.75 hrs. continuous, Medium Beam- Up to 3.5 hrs. continuous, Low Beam or Strobe- Up to 6.75 hrs. continuous. Deep dish parabolic reflector produces a long-range targeting beam w/optimum peripheral illumination. Fits existing Stinger snap-in chargers. Machined aircraft aluminum body w/nonslip rubberized grip. Unbreakable polycarbonate lens w/scratch resistant coating. Length: 8.41''. Serialized for positive identification