The YT013H004 is a color active matrix thin film transistor (TFT) liquid crystal display (LCD) that uses amorphous silicon TFT as a switching device. This TFT LCD has a 1.28 inch diameter measured active display area with 240 horizontal by 240 vertical pixel resolution.
| NO. | Item | Specification | Unit | Remark |
| 1 | LCD Size | 1.3 | inch | - |
| 2 | Panel Type | IPS | - | - |
| 3 | Resolution | 240x (RGB) x 320 | pixel | - |
| 4 | Display Mode | Normally Black | - | - |
| 5 | Display Number of Colors | 262K | - | Note |
| 6 | Viewing Direction | ALL | - | - |
| 7 | Contrast Ratio | 900(min) | - | - |
| 8 | Luminance | 200(TYP) | cd/m2 | Note |
| 9 | Module Size | 26.10(W) ×29.15( L) ×1.85(T) | mm | Note |
| 10 | Active Area | 23.40( W) × 23.40(L) | mm | - |
| 11 | Pixel Pitch | 0.135(W ) x 0.135(L) | mm | - |
| 12 | Weight | - | g | - |
| 13 | Driver IC | ST7789V | - | - |
| 14 | Driver IC RAM Size | RAMLess | bit | - |
| 15 | Light Source | 2LEDs White | - | - |
| 16 | Interface | SPI | - | - |
| 17 | Operating Temperature | -20~70 | ºC | - |
| 18 | Storage Temperature | -30~80 | ºC | - |