This is a powerful little light that features an anti-roll system, Xenon lamp assembly and 65 real lumens of intense white light to blast a big hole into the darkness. Unlike other lights of its kind, its beam signature is perfectly pre-focused, leaving no shadows or ugly artifacts that many focusable lights in the world today can experience. Weight: 4. 23 oz. / 120 grams | Length: 5. 12" / 130 mm | Output: 65 Lumens | Max. Diameter: 1. 34" / 34 mm | Battery Type: CR123A x 2 | Run Time: 1 hour | Bulb Type: Xenon 6-volt