6 1/4" overall. 300 lumens. Runtime: up to 3 hours. Powered by an 18650-Lithium Ion battery, it can be recharged on the go using a computer laptop or any micro USB cell phone charger. The USB's battery has a protection circuit module to prevent overcharging or short circuiting and the battery indicator on the light blinks red when charging and turns solid green when fully charged. Includes retractable cord, car charger and wall charger. Triad LED. Black anodized 6061 aerospace aluminum body with a foamed, vinyl grip that is durable yet tacky and provides insulation from the heat these types of lights generate. High output CREE XPG2 R5 white LED. 3-position quiet switch (intermittent, locking and constant-on). O-ring sealed. Black SnapLoc stainless pocket clip. Embroidered black nylon zipper pouch.