Designed with busy automobile dealerships in mind, simply plug into any standard wall outlet and the PDQ All in One paging system is ready to page. The system includes a numeric keypad with backlit display for easy operation, internal 2 watt UHF transmitter powerful enough to cover the largest properties and accommodates over 1,000 pagers, ensuring you will never outgrow your paging system. There are no minimum pager purchase requirements. Start with only the quantity of pagers needed. Any pagers you add in the future are pre-programmed for easy expansion. Optional 15 and 30 unit charging bases are available for easy pager expansion.