1. Product Overview
The TH01 Smart Temperature and Humidity Sensor is a versatile device designed to monitor environmental conditions in your home or greenhouse. It provides real-time temperature and humidity readings, integrates with smart home platforms like Tuya Smart and Smart Life, and supports voice control via Amazon Alexa and Google Assistant.


- Display: Date, Time, Temperature, Humidity, Battery Level, WiFi Signal.
- Connectivity: WiFi (802.11b/g/n, 2.4GHz) + Bluetooth.
- Compatibility: Tuya Smart, Smart Life, Amazon Alexa, Google Assistant.
- Power: 3 x AAA 1.5V batteries (not included).
2. Package Contents
Please check the package for the following items:
- 1 x TH01 Temperature and Humidity Sensor (batteries not included)
- 1 x Sticker for mounting
- 1 x User Manual
3. Setup Instructions
3.1. Battery Installation
- Open the battery compartment cover on the back of the device.
- Insert three (3) AAA 1.5V batteries, ensuring correct polarity.
- Close the battery compartment cover securely.
3.2. App Installation and Device Pairing
The TH01 sensor works with the Tuya Smart or Smart Life application.
- Download the Tuya Smart or Smart Life app from your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Register or log in to your account.
- Ensure your smartphone's Wi-Fi and Bluetooth are enabled.
- Open the app. A window may pop up automatically to detect new devices. If not, tap the '+' icon to add a device.
- On the TH01 sensor, press and hold the Reset Button (located on the top) for 5 seconds until the Wi-Fi icon on the display starts blinking, indicating pairing mode.
- The app will search for and automatically detect the device.
- Follow the on-screen prompts in the app to connect the sensor to your 2.4GHz Wi-Fi network.
- Once connected, the device will be added successfully, and the Wi-Fi icon on the sensor's display will become solid.

3.3. Placement
The TH01 sensor offers flexible placement options:
- Tabletop: Place it on a bedside table, desk, or any flat surface.
- Wall-mounted: Use the provided sticker to mount it on a wall or door.

4. Operating Instructions
4.1. Display Information
The sensor's LCD screen displays the following information:
- Current Time and Date
- WiFi Connection Status
- Battery Level
- Temperature (in °C or °F)
- Humidity (in %RH)
4.2. Switching Temperature Units (°C/°F)
To switch between Celsius (°C) and Fahrenheit (°F), briefly press the Reset Button on the top of the device. The display will update accordingly. For app synchronization, you may need to adjust the report cycle temporarily in the app settings.

4.3. App Remote Control and Data Logging
Use the Tuya Smart or Smart Life app to:
- View real-time temperature and humidity readings from anywhere.
- Access historical data graphs (daily, monthly, yearly).
- Adjust settings such as temperature/humidity report cycle, sensitivity, and alarm thresholds.

4.4. Temperature and Humidity Calibration
If necessary, you can calibrate the temperature and humidity readings within the app. Navigate to the device settings, select the calibration option, and confirm the desired values. The sensor's readings will adjust accordingly.

4.5. Smart Linkage and Automation
The TH01 sensor can be integrated with other Tuya smart products to create automated scenarios:
- Temperature Control: Set a rule to automatically turn on a smart air conditioner (requires a compatible WiFi IR remote, sold separately) when the indoor temperature reaches a certain threshold.
- Humidity Control: Configure the app to automatically activate a smart humidifier when the humidity drops below a desired level.

4.6. Voice Control
The sensor is compatible with Amazon Alexa and Google Assistant for hands-free monitoring. Link your Tuya Smart/Smart Life account to your voice assistant app.
- Example Command (Alexa): "Alexa, what's the temperature in here?"
- Example Command (Google Assistant): "Hey Google, what's the humidity in the living room?"

4.7. Family Sharing Control
Share control of your TH01 sensor with family members through the Smart Life app, allowing multiple users to monitor and manage environmental conditions.

4.8. Alarm Management
Set custom high and low temperature/humidity alarm thresholds in the app. You will receive push notifications on your smartphone when the readings exceed or fall below these limits, allowing you to take timely action.

5. Maintenance
5.1. Battery Replacement
The sensor features a low-battery reminder function. When the battery level is low, replace the three (3) AAA 1.5V batteries promptly to ensure continuous operation and accurate readings.
5.2. Cleaning
Wipe the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials, as they may damage the sensor or display.
6. Troubleshooting
- Device not connecting to Wi-Fi:
- Ensure your Wi-Fi network is 2.4GHz. The sensor does not support 5GHz networks.
- Check if your Wi-Fi password is correct.
- Make sure the sensor is within range of your Wi-Fi router.
- Restart your router and try pairing again.
- Confirm your phone's Bluetooth and Wi-Fi are enabled during pairing.
- Inaccurate readings:
- Perform a calibration in the app if you suspect readings are consistently off.
- Ensure the sensor is not placed near heat sources, direct sunlight, or in areas with extreme drafts, which can affect accuracy.
- Low battery reminder persists after replacement:
- Ensure new batteries are correctly inserted and are fully charged.
- If the issue persists, try restarting the device by removing and reinserting the batteries.
- Voice control not working:
- Verify that your Tuya Smart/Smart Life account is correctly linked to your Amazon Alexa or Google Assistant app.
- Check your internet connection and the status of your voice assistant device.
- Use the exact commands recognized by your voice assistant.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | TH01 |
| Connection Way | WiFi + Bluetooth |
| Input Voltage | DC4.5V (3 x AAA 1.5V batteries) |
| Wireless Type | 802.11b/g/n, 2.4GHz |
| Quiescent Current | ≤ 30uA |
| Low Power Undervoltage | > 2.7V |
| Working Temperature Range | -10℃ ~ 55℃ |
| Working Humidity Range | 10% ~ 90%RH |
| Dimensions | 60mm x 65mm x 25mm |
| DIY Supplies Category | Electrical |
| High-concerned chemical | None |
| Origin | Mainland China |
8. User Tips
- Optimal Placement: For the most accurate readings, place the sensor in a central location within the area you wish to monitor, away from direct sunlight, vents, or windows that could cause fluctuating readings.
- Battery Life: To maximize battery life, consider adjusting the temperature/humidity report cycle in the app to a longer interval if real-time updates every few seconds are not critical for your application.
- Router Compatibility: Ensure your Wi-Fi router is configured to support 2.4GHz networks, as this sensor does not operate on 5GHz. If you have a dual-band router, you may need to separate the bands or ensure the 2.4GHz band is active and discoverable.
- Smart Home Integration: Explore the full potential of the Tuya Smart/Smart Life app by setting up advanced automation rules with other compatible smart devices, such as smart plugs for fans or heaters, to maintain ideal environmental conditions automatically.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.





