Deer Creek Rechargeable UV Pro Torch- No more searching for batteries. Plug this baby in and recharge the 18650 lithium battery to full power. We also have the Deer Creek USB Rechargeable Laser for a more condensed, laser pointer type light. Perfect for smaller flies. Cure your UV resin for at least 15 seconds for the best results. 3 watt output. The on/off switch indicates the power level of the battery.