| Bluetooth |
| Protocol | 5 (LE) |
| RF band | 2402 - 2480 MHz |
| Max. RF power | < 8 dBm |
| Range | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors , (Depends on local conditions) |
| Electrical |
| Power supply | 1x 3 V battery (included) |
| Battery type | CR2032 |
| Estimated battery life | Up to 5 years |
| Environmental |
| Ambient working temperature | -20 °C to 40 °C / -5 °F to 105 °F |
| Humidity | 30% to 70% RH |
| Firmware capabilities |
| Schedules | |
| Webhooks (URL actions) | |
| Scripting | |
| MQTT | |
| Encryption | |
| Microcontroller unit |
| CPU | EFR32MG27 |
| Flash | 768 kB |
| Other |
| Supported Devices | Shelly Plus / Gen3 / Gen4 series Shelly Pro series |
| Physical |
| Size (HxWxD) | Sensor: 31x26x8 mm / 1.22x1.10x0.32 in Magnet: 31x7x7 mm / 1.22x0.28x0.28 in |
| Weight | 13 g / 0.46 oz |
| Shell material | Plastic |
| Shell color | White / Black / Brown |
| Zigbee |
| Protocols | 802.15.4 |
| RF bands | 2405 to 2480 MHz |
| Max. RF power (Zigbee) | < 8 dBm |
| Range (Zigbee) | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors , (Depends on local conditions) |