4" overall. Two white LEDs, plus one 5mR red laser. 18 lumens. 4 hour runtime. Visible up to 22 yards. Black composition housing with Browning logo and integrated rail key. Push button on/off switches on back of housing. Detachable keyring. Can be mounted on pistol, rifle or shotgun. Fits MIL-STD 1913 (Picatinny) rail. Uses two 2016 batteries (included). Hang packaged.
