With the patented LED/Xenon combination, the user chooses between 3 power modes: 3 UV LED's, 6 UV LED's or Xenon with run times of 160 hours, 100 hours and 5 hours, respectively. This flashlight has an anodized aluminum body which makes it extremely durable. It is O-ring sealed for water resistance and has an unbreakable polycarbonate lens. Other features include: an adjustable focus, a micro-faceted reflector, an enhanced knurled grip and a wrist lanyard (included). Consider this light ideal for use in such applications as industrial, automotive, security, household, and, recreation. Dimensions: 1.7" Dia x 9"L Lamp Type: 6 UV LED's [(3) 390Nm Ultra Violet LEDs and (3) 375Nm Ultra Violet LEDs] and (1) Xenon Lamp Light Output: 70 lumens Weight w/ Batteries: 0.989 Lbs. Run Time: 3 Hours Xenon, 160 Hours 3 LEDs, 100 Hours 6 LEDs. Focus: Adjustable Spot/Flood On/Off: Pushbutton Material: Aluminum Color: Black Battery: 3 C-cell alkaline, not included Streamlight lifetime warranty included.