We may earn a small commission on purchases made through our links.

Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.

x
Sorry, Something went wrong!
SONOFF

SONOFF SNZB-02M AirGuard TH Pressure Zigbee Temperature Humidity Sensor

✅ In stock
F
Grade
💤 Not a Deal
0/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$19.90
Listed $19.90
Analysis Confidence 55%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 12, 2026 9:31 AM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal
  • 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
  • 💰The current price is slightly above the going rate for this product — worth watching for a drop.
  • 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
  • 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.

How We Scored This Deal

Price Competitiveness 0/28
Recent Value 0/22
Market Standing 0/20
Deal Strength 0/20
Momentum 0/10

📝 Product Overview

🏪 Sold by SONOFF-Direct
📦 Fulfillment Fulfilled by Amazon
🚚 Shipping Free Shipping

Product Details

✓Zigbee 3.0 & Home Assistant: Requires a Zigbee hub. Works with SONOFF gateways, Echo (4th Gen), SmartThings, and Home Assistant via Zigbee2MQTT/ZHA for easy smart home integration and automation.
✓5-in-1 Environmental Monitoring: Monitor temperature, humidity, air pressure, and calculated dew point and VPD. Achieve ±0.2°C, ±2% RH, and ±0.1 hPa accuracy to track subtle environmental changes with precision.
✓Air Pressure Trend & Smart Alerts: Track air pressure changes and trends to help identify possible weather shifts. Set custom temperature, humidity, and pressure thresholds and receive app alerts when readings exceed your limits.
✓2+ Year Battery Life: Powered by a CR2477 battery and a low-power design, delivering 2+ years of battery life. Ideal for attics, cabinets, basements, and other hard-to-reach spaces with less frequent battery replacement.
✓Smart Automation: Create smart scenes based on temperature, humidity, or air pressure changes. Automatically control compatible fans, humidifiers, and other devices for convenient climate management.

⚙️ Specifications

Color
White
Brand
SONOFF
Item Weight
27.3 g
Upper Temperature Rating
140 °F
Temperature Accuracy
0.4 degrees_fahrenheit
Upper Temperature Range
140 °F
Brand Name
SONOFF
Number of Items
1
Manufacturer
SONOFF
Item Highlight
Zigbee Smart Thermometer Hygrometer Barometer with App Alerts, Remote Monitoring for Greenhouse & Wine Cellar
Unit Count
1 Count
F
$19.90
Check Deal →