The INOVA X1 is a serious flashlight that offers exceptional engineering and illumination for its compact 4-inch size. Powered by a single AA alkaline battery, its patented optical system, precision machined aluminum reflector with thermal interface provides superior light projection and visibility. Updated performance and new dual-mode functionality provides long hours of either High or Low power light output. Featuring a uniform focused spot with flood beam pattern that has an effective range of 266 feet, its beam can be also be seen in the dark for up to 1.5 miles. Perfect for keeping close at hand in a pocket, glove box, purse, brief case, backpack, and everywhere you go.