| Model | Description |
| CR1600 | Printer-driven drawer, installation manual, order printer EasyConnectCable separately |
| CR1602 | RS232 Port-powered drawer, requires no external power adapter or printer drive circuit to open drawer, serial interface cable, installation guide |
| CR1603 | USB interface with programmable security code, port powered - requires no external power adapter, virtual serial port, installation guide |
| CR1606 | RS232 interface with programmable security code, serial interface cable, power adapter, installation guide |