The Posiflex CR-3100 Series Cash Drawer is a smaller version of the CR- 4100 cash drawer | It is designed with no screws or bolts accessable from the outside | The 3100 has the insert with the plastic note clips | The standard drawer can be used in all normal environments where the solenoid is fired by a POS system or Printer, no matter whether it is 12V or 24V | The Posiflex drawer is designed to work in a voltage range of 10 to 30 Volt | Basic Cash drawer | 3 Position Key Lock | Multiple key combinations | Screw-less tamper resistance design | 5 Note/6 Coin, fixed coin section | Plastic Note Clips | RJ12 Modular solenoid kick out connector | 10 to 30V Solenoid operation