Loon(TM) - UV Infiniti Light Fly tying-s first rechargeable UV light. Powerful enough for professional tyers and rechargeable using a standard USB cable, this is the light without limits. The UV Infiniti Light is the most powerful, most environmentally friendly light we&&';;ve ever offered. UV light for curing Loon-s UV resins High Power Output Rechargeable using USB cable (included) Uses 1 18650 battery (included) On/Off switch indicates power level