| Physical Property | |
| Panel | Plastic |
| Color | White |
| Flash | 64MB |
| Button | 9 Mechanical Buttons |
| Power | Rechargeable Lithium Battery (1100mAh) |
| Installation | Desktop |
| Multi-language | 10 |
| Handset Dimension | 172 x 51 x 19.5 mm |
| Charger Base Dimension | 123.5 x 119 x 37.5 mm |
| Working Temperature | -10℃ - +55℃ |
| Storage Temperature | -10℃ - +70℃ |
| Working Humidity | 10%-90% (non-condensing) |
| Display | |
| Screen | 2.4-inch TFT LCD |
| Resolution | 320 x 240 |
| Audio & Video | |
| Audio Codec | G.711a |
| Video Codec | H.264 |
| Snapshot | 100PCS |
| Transmission | |
| Transmit Frequency Range | 2.4GHz - 2.4835GHz |
| Data Rate | 2.0 Mbps |
| Modulation Type | GFSK |
| Transmit Distance (in Open Area) | 400m |
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Datasheet 904M-S3.pdfDownload
