Shelly H&T Gen 3
Shelly H&T Gen3 is a next-generation Wi-Fi temperature and humidity sensor featuring a sleek e-paper display for clear, low-power readings. With an upgraded Shelly chip (8MB memory), it delivers faster performance, improved connectivity, and full compatibility with Gen3 features.
No hub is required—just connect it to Wi-Fi and start monitoring through the Shelly Smart Control app or your favourite platform like Home Assistant, Alexa, or MQTT. The integrated clock, Type-C USB port, and battery life of up to one year make it a reliable choice for both residential and commercial use.
Perfect for smart climate automation, data logging, and helping you keep rooms at the perfect comfort level.
Key Features
Wi-Fi connected — no hub needed
Accurate temp & humidity readings
Low-power e-paper display with clock
New Gen3 Shelly chip with 8MB memory
Type-C USB port for optional power
Battery powered — up to 1 year (4x AA, not included)
Wall-mountable and compact
Embedded web server for direct access
Works with: Shelly Cloud, Home Assistant, Alexa, MQTT, and more
Ideal For
Smart homes managing temperature zones
Monitoring server rooms, pantries, wine cellars
Automating humidifiers, fans, and heating systems
Commercial installs needing clear display and long battery life
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Quantity |
Value |
|---|---|
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Physical |
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Size (HxWxD): |
70x70x26 mm / 2.76x2.76x1.02 inch (without stand) |
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Weight: |
47 g / 1.66 oz |
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Mounting: |
With stand (on a horizontal surface) |
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Shell material: |
Plastic |
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Shell color: |
White |
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|
Mocha: C:0 M:12 Y:28 K:12 |
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|
Ivory: C:3 M:4 Y:14 K:8 |
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Black: C:0 M:0 Y:0 K:100 |
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Environmental |
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Ambient working temperature: |
0 °C to 40 °C / 32 °F to 105 °F |
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Humidity: |
30 % to 70 % RH |
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Max. altitude: |
2000 m / 6562 ft |
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Electrical |
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Power supply: |
Batteries |
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Battery type: |
4 AA (LR6) 1.5 V (not included) |
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Estimated battery life: |
approx. 1 year (depending on batteries used, temperature and humidity changes, and network connection strength) |
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Power supply, USB |
Type-C (power adapter and cable not included) |
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Sensors, meters |
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Internal-temperature sensor: |
No |
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Temperature sensor: |
Yes |
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Humidity sensor: |
Yes |
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Radio |
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Wi-Fi |
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Protocol: |
802.11 b/g/n |
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RF band: |
2401 - 2495 МHz |
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Max. RF power: |
< 20 dBm |
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Range: |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors |
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Bluetooth |
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Protocol: |
4.2 |
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RF band: |
2400 - 2483.5 MHz |
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Max. RF power: |
< 4 dBm |
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Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors |
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Microcontroller unit |
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CPU: |
ESP-Shelly-C38F |
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Flash: |
8 MB |
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Firmware capabilities |
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Schedules: |
No |
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Webhooks (URL actions): |
10 with 2 URLs per hook |
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Scripting: |
No |
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MQTT: |
Yes |
