Light. 5 1/2" overall. Black anodized aircraft-grade aluminum housing with black textured non-slip silicone sleeve. White LED. Rotating bezel can adjust light beam focus from wide to narrow. Three modes: high, low and SOS. High: lumens - up to 140, runtime - up to 3h, beam distance - up to 86m. Low: lumens - up to 42, runtime - up to 10h, beam distance - up to 49m. SOS: runtime - up to 6h. Push button on/off tailcap switch. Impact resistant - up to 1m. Water resistant - up to IPX7. Uses two AAA batteries (included). Hang packed.