| CPU | ESP-Shelly-C38F |
| Flash | 8 MB |
| Power Supply | 220V |
| Power Consumption | < 1.2W |
| Max. Voltage Control | 240 V |
| Max Switching Voltage | 240 V ~ 30 V |
| Max Switching Current | 16 A (240 V~) 10 A (30 V⎓) |
| Internal Temperature Sensor | Yes |
| Communication | WiFi 2.4 GHz Bluetooth 4.2 |
| Mounting | Wall |
| Material | Plastic |
| Operating Temperature | -20°C to 40°C / -5°F to 105°F |
| Humidity | 30% to 70% Relative Humidity |
| Range | Up to 10 m indoors and 30 m outdoors |
| Sessions | 20 |
| Webhooks (URL Actions) | 20 with 5 URLs |
| WiFi Range Extender | Yes |
| BLE Gateway | Yes |
| Scripting | Yes |
| MQTT | Yes |
| Encryption | Yes |
| Dimensions | 37 x 42 x 16 mm |
| Weight | 24 g |