• Three tests provide superior counterfeit bill detection.
• Detects washed or bleached bills.
• Ultraviolet LEDs detect security markings.
• White LED backlight detects watermark portrait.
• Detects UV markings on driver's licenses, credit cards and passports.
• Works on most major foreign currency.
• Works on traveler's checks.
• Compact and portable.
• Uses C batteries or AC adapter DRI351TRIAD (both sold separately).

The latest in ultraviolet LED technology provides the ultimate security against counterfeit currency, including washed bills. Original Counterfeit Detector Pen tests the paper, UV LEDs reveal the security thread in U.S. currency denominations of $5 and larger and white LEDs backlight the bill to reveal watermarks and micro-printing. Powerful, compact, portable and affordable multifunction machine also authenticates driver's licenses, passports, international currencies, credit cards, cashier's checks and more. Great for bars and restaurants. Runs on three C batteries or optional AC adapter DRI351TRIAD (both sold separately).