6 1/4" overall. Black aluminum body with black stainless pocket clip. Impact and water resistant. 360° twist adjustment for simple one-handed operation. Innovative Duo switch with click and tap function for easy momentary activation or mode switching. Turbo mode: up to 320 lumen output with 3 hour 10 minute runtime; high mode: up to 110 lumen output with 10 hour runtime; medium mode: up to 40 lumen output with 35 hour runtime; low mode: up to 9 lumen output with 240 hour runtime; and strobe up to 320 lumen output with 7 hour runtime. Uses 3 AAA batteries (not included). Hang packaged.