Portable, Lightwight, Mini Size / 3-Mode for Change - Made of aircraft-grade aluminum alloy with anti-scratching type HAIII military grade hard-anodized finish; Only 3.6in in length, 1.5oz( Built-in rechargeable battery ) in weight, handy and compact, easy to carry. 3 mode Light: Highlight - Light Flash - Side COB Light. Tactical Flashlight - Up to 10 hours (low light mode) of powerful bright light from the included 18650 battery.