Anyone who handles paper currency should give the Mobile Torch a try. This cell phone accessory is capable of detecting fake bank notes that are missing special watermarks normally invisible to the naked eye. Its very compact (5.6 x 2.9 x 0.6 cm) and lasts for 20 hours on two replaceable CR1220 Lithium batteries. You can purchase the Mobile Torch now for $8.00 USD from mobile.brando.com.hk.
“Widely used for checking the articles with fluorescence anti-fake symbol such as bank note, valuable papers, ID card, credit card, driving license, invoice and so on. – convenient operation – compact design – high quality with additional illumination function.”
Source: [TRFJ]