Verify Hidden Security Features On banknotes and Passport

Verify Hidden Security Features On banknotes and Passport
1) Verify hidden security features on banknotes and passport
2) Check watermarks and security strips
3) Check paper quality on security documents
4) Highlight alterations and staining
5) Using super bright LED and bright time will be lasting for over 100 hours
6) Requires 4 x AA batteries (not include)
7) DC 6V battery operated
8) Wattage: 4W max
9) LED lamp