... Tank007 TK737 1W 395nm UV Flashlight with Tactical End Click Switch Features: 1. Check the leaks for air conditioner ... examination of crime scene. 3. Treasure and minerals searching, Antique appraisal. 4. Ink curing and glue curing. 5. counterfeit ... in Medicine, Mechanics, checking, testing, money checking, quality checking, antique checking, air condition or car checking, special gas missing checking ...