Powered by 3 AAA batteries which are included, this black torch has 21 UV LED's to help detect bacteria particles which are invisible to the naked eye. At no more than 10cm's long, the torch is perfect for keeping with you on the move, or for use at home, for supporting your personal sterilisation and hygiene control. 
 
This black light emits 395 nm wavelength, easily spots animals' urine stains on carpet or clothes, like cat or mouse; and invisible food stains on floor or table. Perfect for helping to clean up the house.