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| Model Name | WTM 608 | WTM 612 | WTM 550 |
| Display | |||
| TFT LCD Size | 8.4" | 12.1" | 15" |
| Brightness | 250 nits | 400 nits | 250 nits |
| Resolution | 800 x 600 | 800 x 600 | 1024 x 768 |
| Touch Screen | 5-wire Resistive Type | ||
| I/O Ports | |||
| Touch interface | RS-232 | RS-232 | 1x RS-232 1x USB |
| Audio | Audio in jack with 2W Speaker x2 | ||
| VGA | D-SUB 15 | ||
| PS/2 | N/A | N/A | 1x Mini-DIN |
| Others | |||
| Wall Mount | Support VESA Standard and wall mounting bracket | ||
| Power Input | External adapter, 60W, 12V DC input | ||
| Color | Black | ||
| Compliance | CE / FCC / WEEE / RoHS | CE / FCC / WEEE / RoHS | CE / FCC / CB/ CCC/ WEEE / RoHS |
| Weight | 1.4 Kgs | 2.8 Kgs | 3.9 Kgs |
| Dimension W x H x D (mm) | 234 x 185 x 42 | 313 x 256 x 47 | 370 x 310 x 50.5 |
| Operating Temperature | 0° C ~ 35° C | ||
| Storage Temperature | -20° C ~ 60° C | ||
| Humidity | 20% - 85% RH, non-condensing | ||