2 1/8" overall. Black aluminum housing. Leak proof Lithium polymer power cell has a ten year shelf life. TIR reflector is gasket sealed. Up to 100 lumen output. 45 minute runtime per battery charge. Features intermittent or constant switch activation system. Easily recharged on a computer with the supplied retractable USB cord. Can also be connected to any modern cell phone charger. Attaches to any F Series Baton. Hang packaged.

Can not ship International.