| Brand | Optoma |
| MPN | 3751RK |
| SKU | 3751RK |
| EAN | 5055387664524 |
| ASIN | B08R3ZNRL9 |
| AC input frequency | 50/60 Hz |
| AC input voltage | 100-240 V |
| Batteries included | Yes |
| Bezel width | 2.7 cm |
| Bezel width bottom | 5.95 cm |
| Built-in processor | Yes |
| Built-in speakers | Yes |
| Builtin speakers | 2 |
| Cables included | AC, HDMI, USB |
| Colour | Black |
| Computer system | Yes |
| Contrast ratio | 1200:1 |
| Display brightness | 370 cd/m² |
| Display diagonal | 190.5 cm (75") |
| Display number of colours | 1.073 billion colours |
| Display resolution | 3840x2160 |
| Display technology | LED |
| Displayports quantity | 1 |
| Ethernet LAN | Yes |
| Graphics adapter | Mali-G51 MP2 |
| Graphics adapter family | ARM |
| Handheld remote control | Yes |
| HD type | 4K Ultra HD |
| HDMI input ports quantity | 3 |
| HDMI version | 2.0 |
| Headphone connectivity | 3.5 mm |
| Internal storage capacity | 16 GB |
| LED backlighting type | Direct-LED |
| Linux operating systems supported | Yes |
| Operating relative humidity | 20 - 80% |
| Operating system installed | Android 8.0 |
| Operating temperature | 0 - 40 °C |
| Panel mounting interface | 600x400 |
| PC Audio in | Yes |
| Placement supported | Indoor |
| Processor architecture | ARM Cortex A73 + ARM Cortex A53 |
| Purpose | Universal |
| Response time | 8 ms |
| RMS rated power | 30 W |
| RS-232 interface | Yes |
| Touch technology | Multi-touch |
| Touchscreen | Yes |
| TVI port | No |
| VESA Mounting | Yes |
| Viewing angle horizontal | 178° |
| Wi-Fi | No |
| Windows operating systems supported | Windows 10,Windows 7,Windows 8,Windows XP |