Shelly Plus Smoke Alarm
Shelly Plus Smoke (the Device) is a smart photoelectric smoke alarm, which is effective at detecting slow fires that smolder for hours before bursting into flames.
Sources of these fires may include burning cigarettes left on couches or bedding.
Features
- Battery operated
- LED indication
- Low battery warning
- Alarm pause (Hush mode)
- Test function
- Easy Installation
- DIN EN 14604 certified
Main applications
- Residential
Connectivity
- Wi-Fi
- Bluetooth
Each connectivity option can be enabled or disabled by the user.
User interface
Inputs
- One push button
- Press and hold for 3 sec to test the Device.
- Press briefly to silence an alarm.
- Press briefly 3 times to put the Device in Setup mode for 2 minutes.
- Press briefly 5 times to factory reset. Device stays in Setup mode for 2 minutes.
Outputs
- LED indication
- Normal operation: Red light flashes once every 53 seconds.
- Testing: 3 red light flashes.
- Alarm: Continuous red light flashes.
- Malfunction: Red light flashes twice every 53 seconds
- Hushed alarm: Red light flashes once every 10 seconds.
- Low battery warning: Red light flashes once every 53 seconds.
- Hushed low battery warning: Red light flashes once every 53 seconds (with no sound).
- Device in Setup mode: Green light flashes quickly.
- Device in Setup mode for 2 minute: Green light flashes slowly.
- Buzzer
- Button pressed: 1 short beep.
- Testing: 3 short beeps.
- Alarm: Continuous loud beeps.
- Low battery warning: Short beep once every 53 seconds.
Specifications
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| Type | Value |
|---|---|
| Physical | |
| Size (DxH): | 86×31 ±0.5 mm / 3.39×1.22 ±0.02 in |
| Weight: | 95 ±1 g / 3.35 ±0.05 oz |
| Mounting: | Ceiling |
| Shell material: | Plastic |
| Color: | White |
| Device lifespan: | 10 years |
| Environmental | |
| Ambient temperature: | -0 °C to 55 °C / 32 °F to 131 °F |
| Humidity: | 30 % to 95 % RH |
| Electrical | |
| Power supply voltage AC: | N/A |
| Power supply voltage DC: | 1x 3 V CR123A/CR17335 battery |
| Battery lifespan: | 5 years (with original battery) |
| Sensors, meters | |
| Smoke sensor: | Photoelectric |
| 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) |
| MCU | |
| CPU: | ESP32 |
| Flash: | 4 MB |
| Firmware capabilities | |
| Webhooks (URL actions): | 10 with 2 URLs per hook |
| Scripting: | No |
| MQTT: | Yes |
| CoAP: | No |
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