UV light can also be used to detect if glue or other materials where used on furniture or antiques. Stains which are invisible to the naked eye could also be exposed using UV light. Forensic investigations use UV light to notice biological matter such as traces of blood. Urine from pests such as mice or rats will be highlighted using a UV torch. Invisible ink is used in many identification documents to protect against forgery. UV light exposes these marks or symbols. Entrance or voting stamps use invisible hand stamps to mark each person. Only a UV torch will reveal these stamps.
- 9 UV LED
- Ultraviolet Wavelength 390-400nm
- 10m Beam Distance
- Heavy-duty Aluminum Casing
- Tactical Back Switch
- Uses 3 x AAA batteries (included)