| General |
| Type | Value |
| Electrical |
| Power supply voltage AC | N/A |
| Power supply voltage DC | 1x 3 V CR123A/CR17335 battery |
| Battery lifespan | 5 years (with original battery) |
| Environmental |
| Ambient temperature | -0 °C to 55 °C / 32 °F to 131 °F |
| Humidity | 30 % to 95 % RH |
| Firmware capabilities |
| Webhooks (URL actions) | 10 with 2 URLs per hook |
| Scripting | |
| MQTT | |
| CoAP | |
| MCU |
| CPU | ESP32-U4WDH |
| Flash | 4 MB |
| Physical |
| Size (DxH) | 86x31 ±0.5 mm / 3.39x1.22 ±0.02 in |
| Weight | 95 ±1 g / 3.35 ±0.05 oz |
| Mounting | Ceiling |
| Shell material | Plastic |
| Color | White |
| Device lifespan | 10 years |
| 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) |
| Sensors, meters |
| Smoke sensor | Photoelectric |