1.  High Sensitivity and response time. Touch and drawing Smooth

2.  Matching with different panel size, automatically. 

3.  Can be work without any driver. It means the controller can work when it connected with machine.

4,  Combo controller who works with RS232 or USB.

5.  5v voltage. If you choose USB interface, it can get the power from PC USB jack, without any special power cable; If you choose RS232 interface, It can get power from PC’s PS2 Keyboard jack, without unpick and install the host computer.