We don't sell - we track prices. AliExpress pays us a small commission, at no cost to you.
$23.89
SONOFF E-Ink Zigbee Temperature and Humidity Sensor with 2.9 Inch Screen, AirGuard Technology, SNZB-02UL, Time Weather and Date Display, Works with Alexa and Google
🔥 485 sold recently✓ Picked
✓ Selected for InstaShop by high positive feedback (88%+) and proven sales
✅ High-contrast E-Ink display for clear visibility from multip
✅ Zigbee connectivity for low power consumption and local auto
✅ Multi-functional screen showing temperature, humidity, time,
👤 Smart home enthusiasts looking for a low-power, aesthetic way to monitor room climate and time.
Price updated
79/100👍 Worth a lookInstaShop Score
Rating
Sales volume
Discount
Computed by InstaShop from the product's real rating, sales volume and discount - an independent editorial signal, not a guarantee. How it is calculated
Keep your home comfortable with this clear E-Ink sensor, featuring a large screen for easy temperature and humidity readings. It is the perfect addition for smart home enthusiasts who want real-time environmental data that integrates seamlessly with Alexa and Google Home.
InstaShop is a catalog that links to AliExpress. Purchase, shipping and warranty are provided solely by the AliExpress seller; some links are affiliate links (the price to you doesn't change). Terms of Use
📈 Price history
Tracking just started: we measured the price once, on 30.10.2026 ($23.89). We check it daily - the chart, the lowest price and a verdict appear here after 3 measurements.
Want to know when the price drops?
Based on InstaShop's daily price tracking on AliExpress since 30.10.2026 · 1 measurements
🔍 In-depth analysis
The SONOFF SNZB-02UL is a specialized Zigbee-based environmental sensor that stands out due to its 2.9-inch E-Ink display. Unlike traditional LCD screens, this technology offers high contrast and wide viewing angles, making it readable from across a room without backlighting. The device integrates into the SONOFF AirGuard ecosystem, providing real-time data on temperature and humidity alongside basic clock and date functions. It is designed to bridge the gap between a simple sensor and a functional desk or wall display for smart home enthusiasts.
With nearly five hundred orders and a high buyer rating, this model has established a solid reputation for reliability. It is compatible with major voice assistants like Alexa and Google Home, though it requires a Zigbee hub to function correctly. The inclusion of weather data on the screen suggests it pulls information from a connected gateway, making it a more comprehensive monitoring tool than basic standalone sensors that only track local room conditions.
✅ Pros
The 2.9-inch E-Ink display provides excellent readability and a premium look compared to cheap LCDs.
Strong buyer feedback and a high volume of orders indicate consistent performance and build quality.
Multi-functional interface showing time, date, and weather alongside local sensor readings.
Zigbee connectivity generally offers better battery efficiency and range than standard Wi-Fi sensors.
Cons and cautions
Requires a separate Zigbee hub, which adds to the initial setup cost if you do not already own one.
E-Ink screens have a slower refresh rate, which might be noticeable during data transitions.
The current discount is significant, but the original list price seems highly inflated for a sensor.
This analysis is written with an AI model from the product data (name, category, price, rating and orders), not from a hands-on test. How we choose and score
Who it's for: This device is ideal for smart home users who prioritize visibility and aesthetics. It suits those who want a clear, always-on display for environmental monitoring without the glare of a standard screen or the need for frequent charging.
Who should skip it: It is not suitable for shoppers who do not own a compatible Zigbee hub. It is also not the right choice for those looking for a backlit display to read in total darkness.
🔎 Check before you buy
Confirm which specific Zigbee gateways are compatible for full weather data synchronization.
Verify the refresh rate of the E-Ink screen to understand how often data updates.
Ask the seller about the specific battery type required and if it is included in the package.
Check if a mounting kit or stand is included for your preferred placement.
💰 Value verdict: Given the high buyer rating and the substantial number of successful orders, the current price offers fair value for a premium E-Ink sensor. While the base price is high, the current discount brings it into a competitive range for a device that combines a large display with smart home integration.
💡 Tips
Place the sensor away from direct sunlight or heat sources to ensure the temperature readings remain accurate.
Check for firmware updates through the app immediately after pairing to ensure the best battery optimization.
Use high-quality batteries to prevent leakage and extend the time between replacements.
Questions about this product
Does this sensor work directly with Wi-Fi?
No, this is a Zigbee device and requires a compatible Zigbee gateway or hub to connect to your network and smart home apps.
Can I see the screen in the dark?
E-Ink technology does not typically have a backlight. It relies on ambient light for visibility, much like a piece of paper or an e-reader.
Where does the weather information come from?
The weather data is typically synced from the cloud via your Zigbee hub and the associated smart home app based on your location settings.
❓ Questions & Answers
What does it cost in US dollars?
$23.89 - the AliExpress listing price converted to US dollars at our latest check (29.10.2026). The exact amount in your currency, with shipping, is shown at AliExpress checkout.
Shipping and import taxes to my country?
Delivery to your address, its cost and time depend on the seller and your country; import duty/VAT depends on your country's rules (in the EU, the UK and Australia VAT/GST is usually collected at AliExpress checkout). All of it is shown before you pay.
Sales
Install the app
Fashion
Home
Solutions
Guides
Blog
-53%✓ Picked
✓ Picked
✓ Picked
✓ Picked
