SONOFF SNZB-02D Zigbee LCD Smart Temperature Humidity Sensor
$12.99
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【Remote Real-time monitoring】SNZB-02D sensor will monitor the temperature and humidity in real time on the APP remotely or display screen, with up to 120m/400ft coverate.
【High Accuracy & 5s Fast Refresh】Built-in Swiss-made smart hygrometer sensor that gives you more accurate readings maintaining ±0.2°C/±0.4°F accuracy in temperature and ±2%RH accuracy in humidity, refreshes readings every 5 seconds.
【Large LCD screen display】Use large LCD display to view the real-time values of temperature humidity clearly and dynamically, the intuitive display icons let you check the room conditions and battery status even easier than ever.
【App notifications】You’ll receive instant alerts from your phone when the temperature or humidity exceeds your set comfort level.
【Data Storage & Export】Up to half-year free cloud storage, and most accurate enough to view hourly data, you can also check the highest and lowest values at any hour or day and data can be exported as files.
Features
SONOFF SNZB-02D is a Zigbee temperature and humidity sensor with 2.5 inch LCD display with large bold numbers that can work with Zigbee 3.0 gateways like SONOFF Zigbee Bridge Pro, SONOFF NSPanel Pro, SONOFF ZBDongle-P/E, Alexa with Built-in Zigbee Hub,etc to monitor your home's temperature and humidity for a comfortable life, and there are icons to indicate Hot/Cold/Dry/Wet air conditions, reminding you to adjust your humidifier or dehumidifier accordingly to achieve optimal comfort, also power icons for you to know the current power usage, the high accuracy built-in swiss-made sensor ensures accurate measurement of room temperature and humidity, the temperature is accurate up to ±0.2℃ while the humidity is ±2%RH, data is updated every 5s, always gives you the latest changes in the environment.
The SNZB-02D sensor supports APP monitoring, you can not only check the current temperature & humidity on the LCD display, but also track the real-time and historic temperature or humidity data via the app on your phone, with up to 120m/400ft coverage (no obstructions and ideal conditions), you can check the latest data at any time, and once the temperature or humidity exceeds the preset range, you will receive an instant alert from the APP, you can view the temperature and humidity date by day, month, and year, the half-year curve graphs provide a clear data-changing track. you can export data as .CSV files, the temperature and humidity of the sensor can be set as triggers, such as setting the humidifier to turn on when the humidity is less than 40%, adjusting to the comfort temperature and humidity at any time for your health, it works with Alexa and Google Home, just ask Alexa or Google Home and you'll know the temperature or humidity.
The sensor supports 3 mounting methods - tabletop atand / magnetic back / 3M adhesive, just place the sensor anywhere you wish such as living room, baby room, kitchen, greenhouse, guitar room, reptiles terrarium, humidor, cellar or incubator to monitor temperature and humidity remotely.
Documents
Customer Reviews
I ordered two mentioned sensors in December 28, 2022. Two attempts to send the parcel to Ukraine were failed due to the presence of a lithium battery inside of this sensor. So we had to split the parcels - thanks to Taylor from the Sonoff support team for the very good help and support!
After three months of waiting (the second (main) parcel with other Sonoff products, by the way, is still on its way to me) I finally got a chance to evaluate this new sensor at March 20, 2023.
The initial connection of the sensors went smoothly. Temperature and humidity readings are good accuracy. No questions about the assembly, design or plastic quality.
Now about the little downsides:
- the viewing angles of the LCD screen are quite small
- the magnet in the sensor body can't hold the weight of the device. I can't hang it on the fridge door, - it just slips down under its own weight. So U need to stick the creddle on top of the fridge and it will stay there forever due to the good 3M glue properties. 😉
- complete lack of support in web.ewelink.cc and cast.ewelink.cc. Hopefully, they will fix this asap.
- concerning power consumption, I think there will be no miracle due to a voraciousness of the LCD screen and its constantly on status.
Anyway, the SNZB-02D is good and usefull! Thank U Sonoff! Keep going!
Will wait for the Sonoff Water leakage Zigbee sensor 😉
sono molto deluso come vedete in foto non riesco a vedere temperatura e umidità in home assistant se avete una soluzione correggerò la rencensione ma per adesso non me ne faccio nulla se è così , attendo vostri consigli ho anche un ticket aperto .
May I know which hub did you use to connect to the HA?
Please reply to us with more details via email, thanks for your information.
Perfekt integration into my Home Assistant installation.
Records and displays temperature in my home.
1. battery level jumped from 100% -> 80%. Here I'd like more steps or voltage
2. prefer messages with temperature change of 0.1°C/F or every 30min instead 0.2 / 60 min.
3. OTA feature would be nice, also for Thread/6LoWPAN/Matter upgrades
4. the power level still needs full integration in Zigbee2MQTT (shown as "?" with me)
5. can't tell anything about overall battery consumption yet
Otherwise seems to integrate easier with HA than previous model without Display (SNZB-02) because of lower precision and fewer messages all together.
It’s a good product if it has light with a push button it will be exelent
I bought this zigbee thermometer to integrate it into Home assistant. It works well, is accurate and the display is large enough to have a visual reading.
A precision: The data that it exports is always 24 lines of record per day. This means that the frequency of temperature and humidity readings is equivalent to about 30 minutes. If we compare the graphic representations of the temperature and humidity of the SNZB-02D with those of the previous model SNZB-02, in the SNZB-02D there are flatter segments than in the previous one, as if in this last model the frequency of the readings would have decreased significantly.
Great product overall
Good points
Small with clear display.
Easy to set up.
Accurate temp/hum readings.
Built in table stand.
Battery level indicator.
Bad points
Limited range - Has to connect to a hub on the same floor nearby otherwise no data.
Intermittent reporting - only appears to send data back once per hour to my NSPanel Pro. Even when close to hub. If the connection is down the data for that hour is not captured leaving big gaps in the graphs. More regular reporting is needed with better hub connection every 30 mins would be better.
Battery - Am not a fan of the cr2450 battery. AA cells would last longer and are lower cost and more easily available.
Overall
Very good effort and well worth buying. Minor improvements needed.
I had to remove the battery and start pairing process several times, because after pairing the values were not available.
I use Home Assistant and Zigbee2MQTT
Don't recommend.
It would be perfect if it was possibile to display the temperature of other sonoff sensors..
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