Smart Thermometer and Hygrometer X‑Sense STH51 with Amazon Alexa Support

16,50 €
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Maintain the ideal climate at home or work with the X‑Sense STH51 smart thermometer and hygrometer. It offers precise measurements of temperature and humidity, instant push alerts, cloud data export, and voice readouts via Amazon Alexa. Its compact design suits homes, offices, terrariums, greenhouses, and incubators.

The X‑Sense STH51 smart sensor is a solution for anyone who needs reliable monitoring of temperature and relative humidity. Thanks to the Swiss sensor with accuracy up to ±0.2 °C and ±2% RH, you get precise, real‑time data. The device connects easily to Amazon Alexa, so just ask and get current readings instantly without digging through the app.

For long‑term trend analysis, use the free cloud export. Whenever conditions deviate from your set limits, you’ll receive instant push notifications on your phone and can react quickly—ideal for greenhouses, terrariums, wine storage, or cigar humidors. The compact ABS body, with its slim profile, fits even in tight spaces.

Main advantages:
- Voice control and readouts via Amazon Alexa
- Cloud export for long‑term change analysis
- Accurate Swiss temperature and humidity sensor
- Instant alerts when set limits are exceeded
- Compact and elegant design for versatile placement
- Long battery life up to 1 year

Specifications

Manufacturer
X-Sensor
Model
STH51
Power supply
2 × AAA batteries (replaceable)
Voltage
3 V DC
Battery capacity
1200 mAh
Battery life
up to 1 year
Material
ABS
Voice control
Amazon Alexa (voice readout of current values)
Notifications
Push notifications in the app
Audible alarm
No (the base station emits sound; the app sends a notification)
LED indicator
Red / blue
Operating temperature
-20 to 60 °C (-4 to 140 °F)
Operating humidity
0–100% RH
Temperature accuracy
-20 to 0 °C: ±0.2–0.4 °C; 0 to 60 °C: ±0.2 °C
Humidity accuracy
10–90% RH: ±2% RH (max. ±3.5% RH); 0–10% / 90–100% RH: ±2–3% RH (max. ±3.5–5% RH)
Interface
Mobile app, Amazon Alexa integration
Placement
Indoor (home, office, terrarium, greenhouse, incubator)
Package contents
Thermometer/hygrometer, lanyard, stickers, AAA batteries, user manual
16,50 €