Introduction
The ThermoPro TP350 is a wireless indoor thermometer and hygrometer designed to monitor temperature and humidity levels in your living environment. Featuring Bluetooth connectivity, it allows remote monitoring via a smartphone application, providing historical data, alert notifications, and data export capabilities. This manual provides detailed instructions for setting up, operating, and maintaining your device.

Image: ThermoPro TP350 Bluetooth Thermo-Hygrometer banner highlighting key features.
Setup
1. Unpacking and Battery Installation
Carefully remove the TP350 device and user manual from the packaging. Please note that batteries are not included and must be purchased separately. The device requires AAA batteries.

Image: ThermoPro TP350 device, its retail packaging, and the included user manual. Batteries are not shown, indicating they are not included.
2. App Download and Connection
The TP350 connects to your smartphone via Bluetooth. Download the official ThermoPro app from your device's app store.
- Ensure Bluetooth is enabled on your smartphone.
- Open the ThermoPro app and follow the on-screen instructions to pair your TP350 device.
- One phone can connect to more than one TP350 at the same time. And one TP350 can be connected with more than one phone at the same time.

Image: The ThermoPro TP350 device and its companion smartphone app, illustrating remote monitoring capabilities.
3. Device Placement
Place the TP350 in the desired location within its 80-meter (260-foot) wireless Bluetooth range. Consider areas like offices, baby rooms, living rooms, greenhouses, or wine cellars for optimal monitoring.

Image: Illustration of the TP350's 80M (260ft) remote range, showing the device placed in different rooms of a house and monitored via a smartphone, highlighting its superior range.

Image: Examples of wide application for the TP350, including office, baby room, greenhouse, incubator, and wine cellar.
Operating Instructions
1. Reading the Display
The TP350 features a large screen display with bold digits for easy reading of current temperature and humidity levels. It also shows MAX/MIN records and a comfort indicator (Dry, Comfort, Wet).

Image: The large screen display of the TP350, highlighting its readability and comfort indicator, and comparing its size to a smaller device.
2. Activating Backlight
Touch the device to activate the backlight for improved visibility in low-light conditions.

Image: Demonstrates how to activate the backlight by touching the device.
3. Using the Smartphone App
The ThermoPro app provides advanced monitoring features:
- Historical Data: View temperature and humidity history data by hour, day, week, month, or year to track environmental changes.
- Data Export: Export historical data directly from the app and send it to your email for further analysis. The device supports 2-year data export.
- Alert Settings: Set custom maximum and minimum temperature and humidity thresholds. The app will send notifications if these values are exceeded.

Image: The ThermoPro app displaying MAX/MIN temperature and humidity records over 24 hours, along with an alert notification example.

Image: Illustration of the 2-year data export feature, showing data being exported to a spreadsheet on a laptop.
4. Temperature Units Selection
The device supports switching between Fahrenheit (°F) and Celsius (°C) units. Refer to the device's physical controls or app settings for this option.
Maintenance
To ensure the longevity and accuracy of your ThermoPro TP350, follow these maintenance guidelines:
- Cleaning: Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water.
- Battery Replacement: Replace batteries when the low battery indicator appears on the display or in the app. Ensure correct polarity when inserting new batteries.
- Storage: If storing the device for an extended period, remove the batteries to prevent leakage. Store in a cool, dry place.
Troubleshooting
Common Issues and Solutions:
- No Display/Device Not Turning On: Check if batteries are correctly installed and have sufficient charge. Replace with new AAA batteries if necessary.
- Bluetooth Connection Issues: Ensure Bluetooth is enabled on your smartphone and the device is within the 80M range. Try restarting both the device and your phone's Bluetooth.
- Inaccurate Readings: Ensure the device is placed in a location free from direct sunlight, drafts, or heat sources that could affect readings. Allow some time for the sensor to stabilize after placement.
- App Not Receiving Data: Verify the device is paired and connected in the app. Check for app updates.
Specifications
| Feature | Detail |
|---|---|
| Brand Name | ThermoPro |
| Model Number | TP350 |
| Display Type | DIGITAL |
| Display Size | 2.0 - 3.9 Inches |
| Power Type | AAA Battery (Not Included) |
| Temperature Range | -4°F to 140°F (-20°C to 60°C) |
| Temperature Accuracy | ±0.5°C (±0.9°F to 1.8°F) |
| Humidity Range | 10% ~ 99% |
| Humidity Accuracy | ±2%-3% RH |
| Refresh Rate | 10s |
| Wireless Bluetooth Range | 260FT/80M |
| Comfort Display | Dry, Comfort, Wet |
| High and Low Records | 24 Hours (on device), Historical data in app |
| Certification | CE |
| Origin | Mainland China |
| Smart Device | Yes |
| Use | Household |

Image: High accuracy and fast response features of the TP350, detailing temperature and humidity accuracy and refresh rate.
Warranty and Support
Return Policy
ThermoPro aims to ensure customer satisfaction. If you are not satisfied with your purchase, you may be able to exchange the item. The buyer is responsible for all further shipping fees for returns or exchanges not due to defective or incorrect items.
Important Notes:
- Every item is checked before shipment to prevent defective or incorrect products. Please inspect the goods upon receipt.
- For damages incurred during shipping, please claim compensation from the courier company immediately. ThermoPro will assist in the claim process.
- Damage after use or as a result of water damage is not covered.
Should a return be required:
- Contact ThermoPro via AliExpress's message center.
- Provide as much detail as possible about the problem you are experiencing.
- Authorization to return the item will be issued.
- Return the item for the agreed exchange or refund.
- All return shipping costs are the responsibility of the buyer.
Customer Support
For any questions, concerns, or support needs, please contact ThermoPro directly through the AliExpress message center. We strive to provide high-quality products and excellent service.





