This ultra-portable UV light is ideal for checking both new Polymer Banknotes as well as paper notes, credit/debit cards, driving licenses, passports, certificates and much more. It is also useful for inspecting hotel rooms for cleanliness, and to help detect human fluids and any residue from such biological material. Also good for checking carpets for urine stains from mice, rats and cat accidents and invisible food stains on floors or tables etc. Easy to operate with a simple Torch/Off/Tube switch. Featuring an attached carry strap, the Portable Note Checker is small enough to fit in a pocket, bag or apron and can be easily carried to any venue or event perfect for off-site or mobile venue cash handling including festivals. Suitable for most currencies. Requires 4 x AA batteries (not supplied). Note: This product has been tested for reliability on most currencies and we are confident that it is effective. We cannot, however, be held liable for any loss or damage which result from using the product.