The Streamlight Twin-Task 3C Combo UV Flashlight combines a bright xenon bulb with 6 helpful LED bulbs. The bright white bulb is perfect for everyday use while the LED bulbs are useful in detecting watermarks, checking drivers licenses, or reading invisible ink. Built for durability, the Twin-Task Flashlight features a water resistant, drop test constructed machined aluminum alloy construction. An unbreakable polycarbonate lens protects all of the bulbs. This handheld flashlight features a push button on/off switch and a wrist lanyard for easy transport.