| Signal Receiver |
| Type | Infrared image tracking interactive whiteboard |
| Media support | Any flat surface/LCD display/Projection screen |
| Model No. | EXArm-120 |
| Horizontal reception angle | 120° |
| Maximum area | 120inch |
| Aspect ratio | 4:3 16:9 |
| Wavelength | Pen tip:850nm |
| Resolution | 5000×4000 |
| Communication interface | USB |
| Input voltage | DC4.5~5.5V |
| Calibrate method | Manual sampling,software calibration,automatically position recover(when running again) |
| Weight | 200g |
| Position indication | Red laser point,FOV center indicate |
| Other | Sound feedback |
| Position precision | ±1 Pixel at screen center |
| Power consumption | <0.5W |
| Response time | <25ms |
| LED Display |
| Size | 60 inch 4K (Intelligent Network) |
| Fuselage length | 1250(MM) |
| Fuselage width | 16(MM) |
| Machine height | 730(MM) |
| Weight | 15.5(kg) |
| Overall volume | 0.16(m3) |
| All interface parameters |
| RF interface | 1 |
| AV interface | 2 |
| VGA interface | 1 |
| HDMI interface | 2 |
| Audio input | 1 |
| Audio output | 1 |
| USB interface | 1 |
| SD extension | 0 |
| Viewing distance | 1~2m |
| Resolving power | 3840*2160 |
| Video format | 1080P |
| Panel type | IPS |
| Backlight type | LED |
| Screen scale | 16:9 |
| 3D type | Red blue 3D |
| Energy efficiency grade | 1 |
| Network link | WIFI/LAN |
| operating system | Android / Ali cloud |
| brightness | 800cd/m^2 |
| contrast ratio | 10000:1 |
| Refresh rate | 120HZ |
| Scanning mode | Progressive scanning |
| Horn number | 2 |
| TV type | LED |
| Charging writing pen |
| Emission source | Infra-red |
| Nib trigger mode | Omni-direction pressure trigger |
| Lateral sensitivity | < 35g |
| Number of keys | No key |
| Power source | Super capacitor |
| Charging method | USB interface charging |
| Charging voltage range | 4.5V~5.5V |
| Charging time | 3minutes |
| Full power run time | 1 hour for normal use |
| Charging times | No limit |
| Charge retention time | 72hours |
| Nib trigger life cycle | > 1 million |
| Volume | Length13.5cm; Diameter 18mm |
| Weight | 27g |
Complaint
