| Model | ST101AW | ST104AS/ST104AX | ST121AS/ST121AX/ST121AW |
| Machine size | 255*175.5*39MM(L*W*H) | Customizable | Customizable |
| Display size | 10.1 inch | 10.4 inch | 12.1 inch |
| Resolution | 1280*800 | 800*600 1024*768 | 800*600 1024*768 1280*800 |
| Brightness | 350cd/m2 | 400cd/m2 | 350cd/m2 |
| Contrast ratio | 900:01:00 | 900:01:00 | 900:1 1200:1 |
| View angle | 88/88/88/88 | 88/88/88/88 | 88/88/88/88 |
| Operate temprature | -20+70℃ | -20+70℃ | -20+70℃ |
| Backlight Lifetime | 30000 | 30000 | 50000 |
| Colors | 16.2M | 16.2M | 16.2M |
| Touch technology | Projective capacitive multipoint touch | Projective capacitive multipoint touch | Projective capacitive multipoint touch |
| TP explosion-proof treatment | Chemical strengthening | Chemical strengthening | Chemical strengthening |
| Surface hardness | 7H | 7H | 7H |
| Number of Touch Points | 10 Points | 10 Points | 10 Points |
| TP interface | USB | USB | USB |
| TP lifetime | ≧20,000,000 times | ≧20,000,000 times | ≧20,000,000 times |
| Touch mode | Finger or Touch pen | Finger or Touch pen | Finger or Touch pen |
| Processor | Intel® Celeron® J1900 (quad core, 2.0 GHz) | Intel® Celeron® J1900 (quad core, 2.0 GHz) | Intel® Celeron® J1900 (quad core, 2.0 GHz) |
| Hard disk | 64G hard disk | 64G hard disk | 64G hard disk |
| RAM | 4G RAM | 4G RAM | 4G RAM |
| External interface | 1 x RS-232 COM port (RJ-45 connector) | 1 x RS-232 COM port (RJ-45 connector) | 1 x RS-232 COM port (RJ-45 connector) |
| 1 x RS-232/422/485 COM port (DB-9 connector) | 1 x RS-232/422/485 COM port (DB-9 connector) | 1 x RS-232/422/485 COM port (DB-9 connector) | |
| 2 x USB 3.1 Gen 1 (5Gb/s) | 2 x USB 3.1 Gen 1 (5Gb/s) | 2 x USB 3.1 Gen 1 (5Gb/s) | |
| 2 x USB 2.0 | 2 x USB 2.0 | 2 x USB 2.0 | |
| 2 x RJ-45 for GbE LAN | 2 x RJ-45 for GbE LAN | 2 x RJ-45 for GbE LAN | |
| 1 x Power switch | 1 x Power switch | 1 x Power switch | |
| 1 x Audio port (line-out) | 1 x Audio port (line-out) | 1 x Audio port (line-out) | |
| 1 x Reset button | 1 x Reset button | 1 x Reset button | |
| 1 x AT/ATX switch | 1 x AT/ATX switch | 1 x AT/ATX switch | |
| 1 x 9-30V DC lockable power jack | 1 x 9-30V DC lockable power jack | 1 x 9-30V DC lockable power jack | |
| Support system | Win7 Win8 Win10 Linux | Win7 Win8 Win10 Linux | Win7 Win8 Win10 Linux |
| Surface structure | Flat screen | Flat screen | Flat screen |
| Machine color | Black | Black | Black |
| Working environment parameters | Operate temperature -10+50℃ | Operate temperature -10+50℃ | Operate temperature -10+50℃ |
| Storage temperature -20+60℃ | Storage temperature -20+60℃ | Storage temperature -20+60℃ | |
| Working humidity 5%+90% | Working humidity 5%+90% | Working humidity 5%+90% | |
| Installation | Set aside threaded holes | Set aside threaded holes | Set aside threaded holes |
| Heat dissipation | nature breeze cooling | nature breeze cooling | nature breeze cooling |
