Device image
Device identification
- Device name: Shelly BLU H&T
- Device model: SBHT-003C
- Device Bluetooth ID: 0x0003
Short description
Shelly BLU H&T (the Device) is a smart Bluetooth humidity and temperature sensor featuring long battery life.
Main features
- Long battery life
- Air temperature and humidity reporting
- Splash and dust-resistant
- Compact size
Use cases
- Climate control: Adjust the heating, ventilation, and air conditioning system based on current temperature and humidity levels to maintain a comfortable indoor environment.
- Prevent mold and mildew: Monitor humidity levels to prevent the growth of mold and mildew in spaces like basements and bathrooms. The Shelly BLU H&T can activate ventilation or dehumidification devices when needed.
- Alerts and notifications: Receive alerts or notifications when the temperature or humidity reaches predefined thresholds and prevent issues like frozen pipes in cold weather or excessive moisture.
- Optimizing greenhouse conditions: Optimize conditions for greenhouse plants by adjusting watering systems and ventilation based on humidity and temperature levels.
- Security enhancement: Increase your home protection by detecting unusual temperature changes that might indicate fire or flood.
- Appliance control: Adjust operation of dehumidifiers, humidifiers, and fans based on the current temperature and humidity conditions.
Connectivity
- Bluetooth Low Energy (BLE)
User interface
Inputs
- One push button
- Press briefly to receive the currently measured ambient temperature in °C and relative humidity in percent, as well as a button-pressed event.
- Press and hold for 10 seconds to pair Shelly BLU H&T with another Bluetooth device.
- Press and hold for 30 seconds to factory reset (possible only shortly after inserting the battery).
Specifications
| Type | Value |
|---|---|
| Physical | |
| Size (HxWxD) | 37 x 37 x 10 mm / 1.46 x 1.46 x 0.39 in |
| Weight | 13 g / 0.44 oz |
| Mounting | On a flat surface |
| Shell material | Plastic |
| Color | |
| Black: C-0%; M-0%; Y-0%; K-100% | |
| Mocha: C-0%; M-12%; Y-28%; K-12% | |
| Ivory: C-3%; M-4%; Y-14%; K-8% | |
| Environmental | |
| Ambient temperature | -20 °C to 60 °C / -5 °F to 140 °F |
| Humidity | 0% to 100% RH |
| Electrical | |
| Power supply | 1× 3 V battery (included) |
| Battery type | CR2032 |
| Battery life | 3 years |
| Sensors | |
| Humidity sensor | Yes |
| Temperature sensor | Yes |
| Bluetooth | |
| Protocol | 4.2 |
| RF band | 2400 – 2483.5 MHz |
| Max. RF power | <4 dBm |
| Range | Up to 30 m / 100 ft outdoors, up to 10 m / 33 ft indoors (depending on local conditions) |
| Firmware capabilities | |
| Encryption | AES encryption (CCM mode) |
Shelly Smart Control
Troubleshooting
...
Firmware
- This device
- All device issues
Components and APIs
Compliance
Shelly Blu H&T multilingual EU declaration of conformity 228 2025-12-05.pdf
Shelly BLU H&T UK PSTI ACT Statement of compliance
Compliance archive
Battery material safety data sheet
CR-PSDS-01_MSDS_Panasonic CR2030.pdf
Printed User Guide
Shelly BLU H&T multilingual printed user and safety guide.pdf