Rechargeable UV Flashlight Twist the handle to zoom the UV light in or out . AAA battery holder provides backup power to flashlight (3 AAA batteries included) . Battery Life: 3 to 5 hours continuous leak detection . Includes safety glasses . High Intensity LED . 154 - 170 µW/cm2 which is compatible to a 50 watt UV flashlight . 2 Illumination Modes: super bright and battery conservation . Battery: Lithium Li-Ion, full discharge and -off discharge of 4.2V and 2.75V . Includes 110V charger 53518-UV No -