| Power supply |
110 - 240 V~ 50/60 Hz |
| Power consumption |
< 1 W |
| Internal-temperature sensor |
Yes |
| Screw terminals max torque |
0.4 Nm / 3.54 lbin |
| Conductor cross section |
0.5 to 4 mm² / 20 to 11 AWG (solid, stranded, and bootlace ferrules) |
| Conductor stripped length |
6 to 7 mm / 0.24 to 0.28 in |
| Mounting |
Wall box |
| Shell material |
Plastic |
| Wi-Fi |
Protocol: 802.11 b/g/n RF band: 2401 - 2483 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: 4.2 with BLE RF band: 2400 - 2483.5 MHz Max. RF power: < 4 dBm Range: Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions) |
| CPU |
ESP-Shelly-C38F |
| Flash |
8 MB |
| Schedules |
20 |
| Webhooks (URL actions) |
20 with 5 URLs per hook |
| Scripting |
Yes |
| MQTT |
Yes |
| Ambient temperature |
-20 °C to 40 °C / -5 °F to 105 °F |
| Humidity |
30 % to 70 % RH |
| Max. altitude |
2000 m / 6562 ft |