Features: LED color consistent, bright. This product is the foreign trade product, guarantees the quality. One piece of 300 packing: 32*31*32cm weight 19.5kg I. identification type: 1. (RMB, us dollar, euro, other foreign currencies, passport, id card). Bank draft, check, peony card, credit card. 3. Invoices, VAT invoices, customs tax receipts, petrol receipts, etc. Ii. Identification of RMB under violet light: 1. The 90 genuine COINS have "100", "YIBA", "50" and "WUSHI". On the front side of the new coin, there is golden yellow fluorescence of 100, 50, 20, 10, 5 and 1, and on the back side there is fluorescence reflection. Counterfeit currency has no fluorescence. 2, real money paper absorption, no reflected light; Counterfeit paper has a strong blue and white reflection. 3, counterfeit money irradiation head or pattern watermark is obvious, no real money. Iii. Usage: 1, with the hand flashlight rear end switch for the purple lamp, can verify the authenticity. 2. (standard without battery, 3 no.7 batteries should be installed by yourself) note the positive and negative electrodes of no.7 battery, if the light is dark, the battery will be changed