A flashlight is an essential tool and functionality should never suffer for the sake of design. The INOVA X-Series is an example of one of those rare product offerings that effectively combines brilliant engineering and bold looks in a highly purposeful package. Ruggedly constructed and beautifully finished, the X-Series started the LED flashlight revolution. Today, the X-Series is still recognized as being the ultimate collection of flashlights in the field, and has earned the praise of countless users who have come to depend on it, as well as curators at one of the world's most famous museums of modern art where an X5 has been placed on permanent display. Long hours of useable light, powerful beams, unmatched quality and superior styling all make the X-Series the choice for those who want a flashlight that provides uncompromising performance. If there is an icon among flashlights, it is the INOVA X5. The first of its kind, the X5 introduced the world to the power of LED technology in hand-held, battery-operated lights. Made with fanatical care and design elegance from aerospace-grade aluminum, it is on display at one of the world's great museums of modern art. The perfect long-term duty flashlight, the X5's advanced lithium batteries have an amazing 10-year shelf life for reliable performance. This Tactical LED floodlight with tail switch just may be the most rugged, most versitile and most useful lighting product you will ever own. Made of aircraft aluminum it is virtually indestructible. And it is completely waterproof. Twist constant on/off or momentary tail cap switch. 5 LEDs with up to 20 hours of burn time. Effective range of 120 feet. Features: . Patented precision optical system for superior light projection . Mineral glass optical window has double-sided AR coating and Teflon® seal to withstand environmental pressure . Stainless Steal head protects optical system and O-ring provides an ultra-tight seal . High Powered energy-efficient lifetime LED . Water resistant construction protects from the elements . Aerospace grade aluminum with military spec anodized finish . Anodized finishes in black and titanium . O-Ring ensures seal integrity and threads are anodized for reliability . Tactical end-cap switch activates momentary on, constant on/off and lockout mode A series of half turns to the switch-cap enables constant on, momentary on and constant off. Anodized threads provide durability and protection from the elements. The X-series feature a 3-way tactical switch. INOVA X5 Individual reflectors surround each of th five LED lamps recessed into the X5's patented stainless-steel head.