SONOFF SNZB-02LD IP65 Zigbee LCD Smart Thermometer With Probe Detect Pool Bathtub Fridge Freezer Liquid Temperature Measurement
Computer Peripherals
“The SONOFF SNZB-02LD is a reliable Zigbee 3.0 temperature sensor featuring an IP65-rated external Dallas DS18B20 probe and an integrated LCD screen. It offers seamless integration with Home Assistant via ZHA or Zigbee2MQTT, providing accurate, event-based reporting for specialized environments like freezers or aquariums.”
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Zigbee 3.0 compatibility ensures native, out-of-the-box integration with ZHA and Zigbee2MQTT platforms.
raspberry.tipsno external quirks or converters are needed - they work out of the box
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Event-based reporting triggers updates upon 0.2°C temperature changes for responsive automation.
raspberry.tipsboth sensors report new readings as soon as the temperature changes by 0.2 C
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Humidity readings may require manual calibration offsets within the Zigbee integration software.
raspberry.tipstests found an offset of around 5% compared to the reference device
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Frequent custom reporting intervals significantly reduce battery longevity.
raspberry.tipsif you need finer resolution, you can adjust the reporting interval... that will also use up more battery
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Device settings like temperature units require a manual button press to wake the unit.
zigbee2mqtt.iowake up the device by pressing the button on the back before changing this value