- Smart App (2.4 GHz Wi-Fi Only)
- Alexa Compatible
- Plant Monitoring
- Requires SBS50 Base Station
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3-pack
44,99 € Save 15,00 € 59,99 €
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1-pack
19,99 € Save 5,00 € 24,99 €
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3*Alarm+1*SBS50 Base Station(STH0A31)
63,99 € Save 16,00 € 79,99 €
- Free Shipping Over $ 49
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5-YEAR WORRY-FREE WARRANTY
60-DAY MONEY BACK GUARANTEE -
Payment method
Protect Your Plants
Dew point and VPD (vapor pressure deficit) data
help you monitor humidity and create the optimal
conditions for faster, stronger plant growth.
Know the Data at a Glance
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Data Overview
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Trend Graphs
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Adjustable Alarm Range
Instant Alerts
Set customizable temperature and humidity ranges and
receive instant app alerts whenever the levels go beyond
these ranges.
Export Data at No Extra Cost
Store and export your data at no extra charge. Export by
day, week, or month to suit your preferences and get
helpful insights.
12-Month Replaceable Batteries
The two AA batteries in this thermo-hygrometer will last
for a whole year, and the device itself has a 5-year
lifespan, providing reliable 24/7 monitoring.
Stable Connection
The long transmission range ensures data is sent to the
base station and your phone with no interruptions,
keeping you informed and in control.
Customizable Comfort
Levels
Set your desired temperature and humidity levels so you
can quickly see if you need to act to keep your property
or plants safe and healthy.
Specifications of STH0A Thermo-Hygrometer
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Screen Size
2.7 inches
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Power Supply
2 × AA batteries (Pre-installed, Replaceable)
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Voltage
1.5 V DC
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Battery Capacity
1,800 mAh
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Product Life
5 years
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Battery Life
1 year
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Material
ABS
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Operating Temperature
-4–140°F (-20–60°C)
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Temperature Accuracy
-4–32°F (-20–0°C): ±0.36–0.72°F (±0.2–0.4°C); 32–140°F (0–60°C): ±0.36°F (±0.2°C); Max Accuracy: ±0.72°F (±0.4°C)
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Humidity Accuracy
10–90% RH: ±2% RH; Max Accuracy: ±2.53% RH; 0–10%/90–99% RH: ±3% RH; Max Accuracy: ±3.5–5% RH
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Operating Humidity
0–99% RH
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Operating Frequency
US: 902–928 MHz; EU: 868.0–868.6 MHz
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Max RF Power
EU: 25 mW
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Alarm Volume
No sound when the temperature or humidity exceeds or falls below the set level (the base station will sound and an app push notification will be sent)
Specifications of SBS50 Base Station
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Model
SBS50
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Power Supply
Input: 100–240 V AC 50/60 Hz; Output: 5.0 V — 1.0 A
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Operating Temperature
40–100°F (4.4–37.8°C)
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Operating Relative Humidity
0–85% RH (non-condensing)
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Alarm Volume
100 dB
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App
X-Sense Home Security (both Android and iOS supported)
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Operating Frequency
US: 902–928 MHz; EU: 868–868.6 MHz (25 mW); 869.25–869.3 MHz (10 mW); 2400–2483.5 MHz (100 mW)
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Maximum Number of Allowed Units
One base station can add up to 50 devices in total. Among them, a maximum of 10 thermo-hygrometers can be added, meaning the total number of STH51 and STH0A devices cannot exceed 10.
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Wi-Fi Transmission Range
170 ft (50 m)
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Wireless Protocol
IEEE 802.11b/g/n