This product is actually low cost STD PCO Monitor without printer that is with in built caller id and 16 digit led booth display. Call monitor is high in demand as it has the 100 numbers call memory and call looking facility for ISD/STD/LOCAL calls. This system is incorporated with speaker facility for call monitoring and buzzer facility for call maturity. Customers get code entry choice for 100 numbers with auto display of amount at end of the day. Along with this system, Multiscan also supplies Coin Operated Desk Top Phone, STD PCO Monitor, Wall Mounted Pay Phone and many other products.