| Power supply |
8-24 VAC 9-28 VDC 5 VDC (stabilized, via +5 VDC and GND) |
| Power consumption |
< 1 W |
| Digital inputs resistance |
50 kΩ |
| Digital inputs triggering voltage |
1.5 V (active low level) |
| Max switching voltage |
30 V |
| Max switching current |
300 mA |
| Voltmeter |
0-15 VDC / 0-30 VDC (Two-range) |
| Pulse counter input triggering voltage |
1.5 V (active low level) |
| Pulse counter max frequency |
1 kHz |
| External sensors supported |
Single DHT22 or up to five DS18B20 |
| Radio |
RF band: 2400 - 2495 MHz Max. RF power: <20 dBm Wi-Fi protocol: 802.11 b/g/n Wi-Fi Range: Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions) Bluetooth Protocol: 4.2 Bluetooth Range: Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions) |
| CPU |
ESP32-U4WDH |
| Flash |
4 MB |
| Schedules |
20 |
| Webhooks (URL actions) |
20 with 5 URLs per hook |
| Scripting |
Yes |
| MQTT |
Yes |
| CoAP |
No |
| Ambient temperature |
-20 °C to 40 °C / -5 °F to 105 °F |
| Humidity |
30 % to 70 % RH |