| Projection Technology | 3.5 inch LCD |
| Physical Resolution | 1920x1080 pixel, Max Support 4K Resolution (Only HDMI mode) |
| Keystone Correction | Manual four point correction (ET40S) |
| LED Lamp Life | 50,000 hours |
| Brightness | 4,000 Lumens |
| Contrast Ratio | 1000:1 |
| 3D | Red-blue 3D |
| Projection Distance | 0.94-2.84m |
| Projection Size | 30-100 inches |
| Screen Scale | 16:9 |
| System (ET40S Android Version) | Android 9.0 OS |
| CPU | MTK9269 |
| Memory | 1GB RAM / 16GB ROM |
| WiFi | 2.4G |
| Bluetooth | Bluetooth 4.0 |
| Screen Mirroring | Eshare/Airplay/MiraCast |
| Keystone Correction | Yes |
| Interface | Input: USB, TF Card, HDMI, AV |
| Output: 3.5mm Earphone |
| Support Language | English, Russian, French, Portuguese, Spanish, German, Italian, Arabic, Japanese, Chinese |
| Power | Power Input: AC 110~240V |
| Speaker | 3W*1 |