Size (inch)  | Model  | Thickness (mm)  | Active area(mm)  | Outside area (mm)  | ||
Width  | Length  | Width  | Length  | |||
15"  | GT151-IR  | 7.5  | 230  | 306  | 266  | 342  | 
17"  | GT170-IR  | 7.5  | 272  | 340  | 308  | 376  | 
19"  | GT190-IR  | 7.5  | 302  | 377  | 339  | 415  | 
19"W  | GT19W-IR  | 7.5  | 257  | 411  | 293  | 447  | 
21.5"  | GT215-IR  | 7.5  | 269.9  | 487.6  | 305.5  | 514.5  | 
22"  | GT220-IR  | 8.0  | 297  | 475  | 339  | 517  | 
23.6"  | GT236-IR  | 7.5  | 294.3  | 522.3  | 330.3  | 558.3  | 
Technology  | Infrared touch  | |||||
Resolution  | 4096*4096  | |||||
Frame thickness  | 7.5 mm  | |||||
Position error  | ≤ 2mm  | |||||
Response time  | ≤ 5ms  | |||||
Multi-point Touch  | 2 points touch on Windows and Android OS( one point touch on Mac iOS), don't support TV box.  | |||||
Glass  | 3mm tempered glass  | |||||
Interface  | USB  | |||||
OperatingTemperature  | -20℃~70℃  | |||||
Storage Temperature  | -30℃~80℃  | |||||
Operating humidity  | 10%-85% RH at 40°C, non-condensing  | |||||
Storage humidity  | 10%-90% RH at 40°C, non-condensing  | |||||
Operation Altitude  | 3000m  | |||||
Frame material  | Aluminum  | |||||