and enjoy the pointlessness of a toy that causes cancer. PS don't take this to a hotel, it'll spoil your nights sleep ;-)
Danger Will Robinson, This is a UV mod for my beloved harbor freight flashlight So here comes the disclaimers. UV is dangerous, it'll give you cancer, cataracts, and steal your check book, if you build this, You Will Die!! Although probably your death will not be related to this instructable. But seriously DO NOT shine this into anyone's eyes.