| Physical Property | |
| System | Linux |
| Protocol | Wi-Fi 2.4GHz, BLE Mesh, IR |
| Built-in | Infrared emission |
| Power Supply | AC 100-240V 50/60Hz |
| Installation | Flush mounting |
| Dimension | 86 x 86 x 35.5 mm (with Base) |
| Working Temperature | 0℃ - 40℃ |
| Working Humidity | 5%-90% (Non-condensing) |
| Display | |
| Display | 3.5-inch IPS LCD |
| Screen | Capacitive touch screen |
| Resolution | 480 x 320 |
Datasheet 904M-S3.pdf













