Inova X5 UV LED Flashlight5 high powered UV LEDs 1,000 hour LED life, 365 400 nanometer wavelength Run Time: High 17 hours 30 minutes Low 85 hours Push button endcap switch activates high, low, momentary high, momentary low, and lockout mode Water resistant construction and O Ring seals protect from the elements Precision engineered for protection against the elements and extreme use, Inova LED flashlights offer visibly superior light projection and rock solid reliability.