K1 Plus LED Flashlight

2 1/2" overall. Black hard anodized finish 6061-T6 aerospace grade aluminum housing. White CREE Q4 LED. 40 lumens. Beam distance: up to 42m. Runtime: up to 100m. Twist bezel for on/off operation. Anti-roll tailcap. O-ring sealed. Water resistant: up to IPX4. Uses one AAA battery (included). Also includes one silver S-Biner with attachment ring.