Featuring innovative "Swipe To Shine" touch technology, the INOVA Microlight STS is compact, convenient, and impressively powerful. Its durable, water-and-shock-resistant casing is designed to fit comfortably in your hand.The white, 16 lumenLED is activated nearly instantly with a quick right-to-left swipe of the thumb, eliminating the need to fumble with a switch. High, variable dimming, low, and flash modes allow you to use the light for everything from reading maps to finding keyholes to sending alert signals. The included versatile S-Biner Stainless Steel Double Gated Carabiner can be clipped to key chains, belt loops, zipper pulls, purse or backpack straps. Powered by 2 replaceable 2032 lithium batteries (included).