BearsFire&reg; 21 LED Waterproof UV Ultra Violet Black Light Pocket Size Flashlight for Money Detector,Spotting Scorpions,Bed Bugs,Counterfeits,A/C Leaks,Glass Break,Bugs/insect Detection,spot Certain Chemical/gas Leaks,Locate Dangerous Pests(Grey) Materials:6063-T6 Aluminium O" rings for water resistance (Not Submersible),Rugged and durable, shock resistant Essential tool for law enforcement, postal inspections, customs, medical forensics, HVAC repair. Features: low power consumption, waterproof, Anti-pressure , slight weight, mini portable Battery Required: 3 x AAA Alkaline Battery (Not Included)