Description 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 cut-off discharge of 4.2V and 2.75V 53518-UV includes 110V charger
