The capability of shining 100 lumens of white light for up to 1.8 hours and infrared light for 8 hours makes the SureFire V2 Vampire ($310) easily desirable. In addition to its impressive levels of output, its build quality makes it a perfect outdoor companion. The V2 Vamp features a high-strength aerospace grade aluminum construction, O-ring sealed for use in all weather conditions, virtually indestructible, power-regulated white/infrared LED assembly, and more.