Specifications
| Product model: | ST1820-W |
| Power input voltage: | 90–240 V AC 50/60 Hz |
| Wireless protocol: | Wi-Fi 802.11 b |
| Working humidity: | 5% to 95% |
| Temperature measurement accuracy: | ±0.5°C |
| Humidity measurement accuracy: | ±5% |
| Working environment: | -10°C to +55°C |
| Load current: | 2 A resistive load, 1 A inductive load |
| Wi-Fi | |
| Protocol: | 802.11 b/g/n |
| RF band: | 2412 - 2484 МHz |
| Max. RF power: | < 20 dBm |
| Range: | Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions) |
| Bluetooth | |
| Protocol: | 5 |
| RF band: | 2402 - 2480 MHz |
| Range: | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions) |
| Smart capabilities | |
| Schedules: | 20 |
| Webhooks (URL actions): | 20 with 5 URLs per hook |
| Scripting: | No |
| MQTT: | Yes |
| UDP: | Yes |
| Advanced schedules: | Yes |
| KVS (Key-Value Store): | Yes |
