The UV light is 395nm wave. Black UV pen Light is perfect for Revealing Dry Dog, Cat and Rodent Stains and unfavourable spots that couldn't see with the naked eye. Easily spot scorpions, authenticate currency, driver license, official Identification cards, passports. It can also act as nail dryer.
This UV pen light is zoomable, by rotating the tube you can choose zoom in and zoom out.
It can make the UV glue fast-drying than traditional UV light.
Light color: Purple light
Weight: 31.5g without the batteries
Body color: Black and gunsmoke color.
Battery: 2*AAA dry batteries(not include)