10" overall. CREE XHP50 LED. Five brightness levels: 2150 lumen output and 1 hour runtime; 1230 lumen output and 2.5 hour runtime; 580 lumen and 5.75 hour runtime; 90 lumen and 32.25 hour runtime; 1 lumen and 850 hour runtime. 495m beam distance. Uses two 18650 Li-ion rechargeable batteries (included) or four disposable CR123 batteries (not included). Includes black cord wrist lanyard, black nylon belt holster, and charging cable. Multi-Task Hybrid Series. Aerospace-grade aluminum alloy construction with anodized black HAIII mil-spec finish. Body is knurled for a sure grip. Features: high efficiency regulation circuit; intelligent charging circuit with voltage detection for safe and rapid charge; integrated micro USB charging port which is water, dust, and impact resistant; intelligent memory functions; anti-roll design; reverse polarity protection; and clear mineral glass crystal with anti-reflective coating. High-precision, long-range reflector. Waterproof in accordance with IPX-8 (Submersible to two meters). Impact resistant to 1.5 meters. Can not ship Post Office. Can not ship to Australia.