Introduction
The ThermoPro TP358 is an advanced Bluetooth-enabled digital indoor thermometer and hygrometer designed to provide accurate and real-time monitoring of your indoor environment. With its large backlit display, built-in clock and date, and seamless smartphone app integration, you can easily track temperature and humidity levels, view historical data, and receive custom alerts to maintain optimal comfort and health in your home.

Product Features
- Bluetooth 5.0 Connectivity: Connects wirelessly to your smartphone via Bluetooth for remote monitoring.
- Extended Range: Offers a wireless Bluetooth range of up to 260 feet (80 meters).
- Multi-Sensor Support: Supports connection to up to 10 indoor sensors (additional sensors sold separately).
- Large Backlit Display: Features large digits for easy reading and a touch-activated backlight.
- Temperature & Humidity Monitoring: Displays current temperature and humidity with trend arrows.
- Comfort Level Indicator: Shows 'DRY', 'COMFORT', or 'WET' based on humidity levels.
- Built-in Clock & Date: Synchronizes with your smartphone's time and date when connected to the app.
- Data Logging: Records temperature and humidity data for 24 hours, 1 week, or 1 year, viewable as graphs in the app.
- Customizable Alerts: Set high/low temperature and humidity alerts via the app.
- Swiss-made Sensor: Ensures high accuracy and sensitivity for reliable readings.






Package Contents
- 1 x ThermoPro TP358 Thermometer
- 1 x Instruction Manual
Note: Two AAA batteries are required and are NOT included in the package.

Specifications
| Attribute | Value |
|---|---|
| Product Type | Temperature Humidity Meters |
| Model Number | TP358 |
| Brand Name | ThermoPro |
| Material | Plastic |
| Thermometer Use | Garden Thermometer (also suitable for household) |
| Thermometer Type | Digital |
| Type | Household Thermometers |
| Temperature Range | -4°F to 140°F (-20°C to 60°C) |
| Temperature Accuracy | ±0.9°F (±0.5°C) |
| Humidity Range | 10% ~ 99% |
| Humidity Accuracy | ±2%RH |
| Wireless Bluetooth Range | 260FT/80M |
| Bluetooth Function | 2.4GHZ Wireless Bluetooth, connects to smartphone app |
| History Data Storage | 24 Hours/ 1 Week/ 1 Year |
| Power Source | Two AAA batteries (Not included) |
| Is Smart Device | Yes |
Setup Guide
1. Battery Installation
- Locate the battery compartment on the back of the ThermoPro TP358.
- Open the battery compartment cover.
- Insert two new AAA batteries, ensuring the correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
2. Device Placement
Place the ThermoPro TP358 in your desired location. For accurate readings, avoid placing it near heat sources (e.g., ovens, direct sunlight), vents, or areas with high air circulation. The device is suitable for various indoor environments:
- Living Room
- Bedroom
- Baby Room
- Greenhouse
- Storage Room

3. App Download and Connection
- Download the official ThermoPro app from your smartphone's app store (iOS or Android).
- Enable Bluetooth on your smartphone.
- Open the ThermoPro app and follow the on-screen instructions to add your TP358 device. The app will search for available sensors.
- Once connected, the device's clock and date will synchronize with your phone.
Operating Instructions
1. Reading the Display
The large LCD display shows:
- Current Temperature (°F/°C)
- Current Humidity (%)
- Temperature Trend Arrow (indicating rising, falling, or stable)
- Humidity Trend Arrow (indicating rising, falling, or stable)
- Comfort Level (DRY, COMFORT, WET)
- Current Time and Date
- Low Battery Indicator (if batteries are low)
2. Activating Backlight
To activate the backlight, simply touch the light bulb icon at the bottom of the device's display. The backlight will illuminate for a few seconds, making it easier to read in dim lighting.
3. Using the Smartphone App
The ThermoPro app enhances the functionality of your TP358:
- Remote Monitoring: View real-time temperature and humidity from your smartphone within the Bluetooth range.
- Data Graphs: Access historical data graphs for 24 hours, 1 week, or 1 year to track environmental changes.
- Alert Settings: Set custom high and low temperature and humidity thresholds. Your phone will receive notifications if readings go beyond these preset ranges.
- Sensor Management: If you have multiple TP358 devices, you can manage and monitor them all from a single app interface.

Maintenance
- Cleaning: Wipe the device with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
- Battery Replacement: When the low battery indicator appears on the display, replace both AAA batteries promptly to ensure continuous and accurate operation.
- Storage: If storing the device for an extended period, remove the batteries to prevent leakage. Store in a cool, dry place.
Troubleshooting
- No Display: Ensure batteries are correctly installed and not depleted. Replace batteries if necessary.
- Inaccurate Readings:
- Ensure the device is not placed near heat sources, direct sunlight, or areas with high air circulation.
- Allow the device to stabilize for at least 30 minutes after initial setup or relocation.
- Bluetooth Connection Issues:
- Ensure Bluetooth is enabled on your smartphone.
- Make sure the device is within the 260ft (80m) Bluetooth range.
- Restart the ThermoPro app and try reconnecting.
- If issues persist, try removing the device from the app and re-pairing it.
- No App Notifications:
- Check your smartphone's notification settings for the ThermoPro app to ensure they are enabled.
- Verify that alert thresholds are correctly set within the app.
User Tips
- For the most accurate readings, place the thermometer hygrometer in a central location within the room, away from windows, doors, and air vents.
- Regularly check the app for historical data to identify patterns in temperature and humidity fluctuations, which can help in optimizing your home environment.
- Utilize the customizable alert feature to be notified immediately if conditions in sensitive areas like baby rooms or greenhouses fall outside desired ranges.
- Consider purchasing additional TP358 sensors to monitor multiple rooms or areas simultaneously through the same ThermoPro app.
Warranty and Support
ThermoPro products are designed for quality and reliability. For any questions, technical assistance, or warranty claims, please contact ThermoPro customer support. Refer to the official ThermoPro website or the contact information provided in your product packaging for the most up-to-date support details.





