Tuya Smart WiFi Thermometer with External Probe Rechargeable Battery & USB Powered Works with Alexa/Google Home

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7 Reasons to Buy
Simultaneously supporting USB direct insertion power supply and rechargeable battery (2000mAh lithium battery), it can continue to work for ≥ 72 hours after power failure, suitable for outdoor monitoring scenarios without stable power supply.

External probe for precise temperature measurement
Using an industrial grade platinum resistance probe (PT1000), the measurement range is -40 ℃~120 ℃± 0.5 ℃, far exceeding the accuracy of ordinary NTC sensors by 7. It can be buried in soil or liquid for use.

Directly connect to Alexa/Google Home through the Tuya ecosystem, supporting voice queries for real-time temperature (such as "Alexa, ask Tuya about greenhouse temperature").

Cross platform automation triggering
In the Tuya App, temperature thresholds can be set to link with other devices (such as automatically turning on the air conditioner when the temperature exceeds 30 ℃), and IFTTT cross platform rules are supported.

Continuous firmware updates: Tuya platform has pushed v3.2 firmware in 2025, adding temperature difference calibration function

Energy efficiency: When powered by USB, the annual power consumption is about 0.5 kWh, and the battery mode has a range of up to 6 months

This product is particularly suitable for users who require high-precision remote monitoring (such as laboratories, wine cellars) or deployment in harsh environments (farms, greenhouses)

Customer Service Update
Performance Data
Sensor accuracy
Temperature measurement range -20 ℃~60 ℃, error ± 0.5 ℃
Humidity detection range 0%~99% RH, accuracy ± 3% RH
Connection and Control
Supports 2.4GHz WiFi, network distribution needs to be done through Tuya/Smart Life APP
Voice control response delay<2 seconds, supporting scene linkage
Battery life and power supply
Built in 500mAh battery, USB charging takes 3 hours to fully charge, with a battery life of 30 days
Supports simultaneous charging and usage, compatible with 5V/1A chargers

Customer after-sales service
Use Tips
Initial configuration
APP pairing: Long press the device button for 3 seconds to enter the distribution network mode, select "Add Device"
Voice binding: Search for "Tuya Smart" skill in Alexa/Google Home
Daily operations
Data viewing: Real time display of temperature and humidity curves and historical records within the APP
Alarm settings: customizable temperature and humidity thresholds, triggered with push notifications
Advanced features
IFTTT linkage: Set up automation scenarios such as "automatic air conditioning on high temperature"
Probe calibration: Zero point calibration once a month to ensure accuracy