Features: Brand new and high quality INSTANT DETECTION. This marker for detecting counterfeit money is specially formulated to deliver accurate and easy results within seconds. Uncover a forgery with a professional banknote detector pen. SAVE MONEY. By checking and rejecting bad currency with the banknote marker, the counterfeit bill marker. Effectively ensures your profits are protected from fraudulent counterfeits for a longer time with these counterfeit detector pens. COMPACT AND PORTABLE. Total length of 5.3 inches, small and portable, fits perfectly in your purse, pocket, handbag, etc. WIDE APPLICATION. Suitable for most different types of currency. Widely used in shops, supermarkets, bakeries, cafes, grocery stores, clothing stores, bookstores, shopping malls, etc. EASY TO USE. Simply draw a line on your cash, the colors remain the same when it's genuine currency. When it's a fake bill, the color will turn black and disappear within seconds. Specifications: Material: Plastic Color: Blue; Black; White Length: Approx. 13.5 cm/5.31 inches Weight: Approx. 17g Note: 1. Please allow 0-1 cm error due to manual measurement. Make sure you don't mind before bidding. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 pc Currency Detector Marker