Brand Name: GeRuiLaite High-concerned chemical: none Origin: Mainland China Light Source: LED bulbs Model Number: X300 X300U X300UH-B XH35 Pistol X300V Scout Light Weapon Gun Light Weight: 80 g Length: 91.44 mm Color: Black or Dark Earth Tactical Runtime: 1.5 hours Bazel Diameter: 28 mm Batteries: 2 pieces 3V CR123A (not included) Material: Aluminum Output: Constant / Momentary