This Rechargeable WAPSI LED UV LIGHT is one of the best values available to the Fly Tyer. Designed specifically for curing UV Resins at the optimum wavelength of 365nm. It features a LED " TORCH " Bulb, with a purple lens filter which intensifies light, making for faster curing with minimal light loss. Included with the light are (2) 3.7V 3600mAH rechargeable lithium batteries and a 500mAH USB charger. ( You never have to wait for your battery to be recharged. ) Easy ON/OFF push-button operation. Can also be used for pet urine stain detection, Phosphor agent detection, and currency inspection. Comes with instructions and a limited one-year warranty. Imported.