DARKBEAM 365nm & 395nm USB Rechargeable UV Flashlight $12

DARKBEAM 365nm & 395nm USB Rechargeable UV Flashlight $12 Thumb Score: +15 $12 @ Amazon w/ coupon code WQIJWHER btw, 365nm is a stronger beam but less visible beam, but if you point it on UV things, like $20 bill, you should see much better response