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Quick verdict
A solid Zigbee temperature and humidity sensor with a small LCD so you can check readings at a glance, running on AAA batteries instead of coin cells. Accurate enough for HVAC automations, no cloud, no subscription. Just know it is no longer the cheap option - at current prices the SONOFF SNZB-02D undercuts it - so pick it for the batteries and the glanceable display, not the sticker.
Standout: Zigbee temp and humidity sensor with a small LCD, running on easy-to-stock AAA batteries instead of coin cells.
Notes last checked Mar 22, 2026.
Compatibility snapshot
Home AssistantgoodReliable local integration with minor caveats (a hub, manual config, or polling). Core function works locally.
Apple HomenoneNo official support on this platform.
Google HomenoneNo official support on this platform.
AlexanoneNo official support on this platform.
Works offlineyes
Setupeasy
Extra hub neededyes
Powerbattery
Local control facts
Home Assistant: zha integration, Local Polling (home-assistant.io, checked Sep 10, 2026)
Why it stands out
built-in LCD display so you can glance at readings without pulling up an app
accurate temperature and humidity reporting
affordable for deploying in multiple rooms
fully local Zigbee operation
Reasons to hesitate
LCD is basic with no backlight
requires a Zigbee coordinator
reporting intervals may need tweaking for faster updates
Best for
room-by-room climate monitoring in a Zigbee Home Assistant setup
HVAC automations based on real temperature and humidity data
Avoid if
you want a sensor with a large, backlit display
you have no Zigbee coordinator
Privacy and local-control notes
Pure Zigbee sensor with no cloud dependency. Fully local operation through ZHA or Zigbee2MQTT.
Home Assistant support: supported · integration path: ZHA / Zigbee2MQTT.
Buying reality check
Price notes: About $25 for the single-pack with LCD (verified 2026-08-28). Not a budget pick at current prices - the SONOFF SNZB-02D with a larger display lists for less. Buy this one for its AAA batteries.
Verified price reads: lowest seen $24.99, latest $24.99 on Sep 6, 2026.
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