| Parameters | Specifications |
| Power supply: 10~40VDC | build-in RS485(MODBUS-RTU) |
| T/H/PM2.5/TVOC/CO2 freely selectable | Supports modular connection via RS485 line |
| all use top brands sensors core | Supports wall-mounting installation |
| Temperature precision: ±1℃ | PM2.5 precision: <100ug/m³: ±15ug/m³ >100ug/m³: ±15%reading |
| Humidity precision: ±5% | CO2 precision: ±40PPM ±3%reading |
| TVOC precision: ±20% | Dimensions: 80mm(L) X 80mm(W) X 27mm(H) |