Shelly
BLU H&T
A compact battery-powered Bluetooth temperature and humidity sensor with a CR2032 cell and roughly three-year battery life. Sold in Bluetooth and Bluetooth+Zigbee (ZB) variants, both splash and dust-resistant for kitchens, bathrooms, and basements.
Works on integrations
Setup guides
Roles it can fill
Local over Bluetooth/BTHome, optionally relayed by a Shelly BLU Gateway to the shelly integration; the BLU H&T ZB variant also joins a Zigbee network (ZHA or Zigbee2MQTT) via a Zigbee coordinator. Battery-powered (CR2032, ~3 year life), splash and dust-resistant (IP54 on the ZB model), with a push button for on-demand readings.
Entities in Home Assistant
7 entities via zigbee2mqtt
Primary entities 5 What automations and dashboards use.
| Entity | Type | Device class | Unit |
|---|---|---|---|
| Bright threshold | number | — | lx |
| Dark threshold | number | — | lx |
| Humidity | sensor | humidity | % |
| Light level | sensor | — | — |
| Temperature | sensor | temperature | °C |
Configuration 1 Settings exposed as entities, tunable from Home Assistant.
| Entity | Type | Device class | Unit |
|---|---|---|---|
| Identify | select | — | — |
Diagnostics 1 Health and troubleshooting values, hidden from dashboards by default.
| Entity | Type | Device class | Unit |
|---|---|---|---|
| Battery | sensor | battery | % |
From the zigbee2mqtt device database (zigbee-herdsman-converters
26.108.1):
the entities zigbee2mqtt creates for
SBHT-103C.
Paired through ZHA instead, the same hardware produces a different set.
Where to buy
Recipes using this device
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