Long-wave, hand held, portable model for detection of fluorescence of stamps and tagging on currency or phone cards. 4 Watt efficiency. Requires 4 UM AA batteries. Broad spectrum of long waves. Peak efficiency at 366 nm. Reliable detection of luminescence. Suitable for use in most areas. i.e. Canada, Mexico, Norway, France, Hong Kong, People’s Republic of China, Russia and definitives of Great Britain after 1992.