Dri Mark Dual Test Counterfeit Detection Pen with UV LED Light CCTV Camera Pros If the mark turns dark

If the mark turns dark brown or black

You can repeat this process for all the denominations of bills and coins that you are counting in a single count

Locking Tilt Control Mechanism

Excellent Counterfeit Detection Product

Aluminum Frame

Dri Mark Dual Test Counterfeit Detection Pen with UV LED Light CCTV Camera Pros If the mark turns darkFor bulk order inquiries, please contact us. We expect smaller orders of Dual Test Counterfeit Detector Pens to be available for shipping starting November 2026. Thank you! The Dual Test Counterfeit Pen Light can be used 1,000's of times to check bills. This detector offers two tests in one device to guard against counterfeit bills. One end has a counterfeit detector pen, and the other end has an extra low spectrum, ultraviolet LED light. You can mark