Constantine Indoor Thermometer Hygrometer: Wireless connectivity with Bluetooth and Wi-Fi
For the gardener nurturing delicate orchids or the parent managing a child's asthma, this smart humidity meter provides precise environmental monitoring. It goes beyond basic weather tracking to become a proactive health and comfort tool for your home.
The digital LCD screen clearly displays readings, and the 20-second refresh rate means you notice humidity changes before they affect your space. Connect it via the Tuya Smart app to receive alerts when levels drift outside your ideal range. With Alexa compatibility and Zigbee 3.0 support, it integrates seamlessly into your smart home ecosystem for voice commands and automation.
Ultra-low power consumption ensures the included batteries last up to a year, so you can place it in any room without frequent maintenance. Use it to optimize your HVAC system, protect musical instruments, or simply ensure every family member breathes easier.
Features
- Digital LCD screen for easy reading
- Works with smart home apps like Tuya Smart and Smart Life
- Compatible with Apple HomeKit, Google Home, Amazon Alexa, and SmartThings via bridge
- Zigbee 3.0 support for integration with compatible hubs
- Temperature range from 14°F to 140°F
- Humidity range from 0% to 99% RH
- Ultra-low power consumption with 1-year battery life on 2 AAA batteries
- Clock alarm function included
- Backlight support for visibility in low light
- Low battery indication
- Supports over-the-air software updates
- Compact size of 2.76 x 2.76 x 1.02 inches
- Lightweight at 2.58 ounces
- Wireless connectivity with Bluetooth and Wi-Fi
General specs
- Brand: Constantine
- Seller: Joom
- ID: 6906bcf7c025bd01281defa1
- Sensors: Humidity
- Controls: App Control
- Mounting:
- IP Rating:
- Dimensions:
- Sensor Type: Digital
- Battery Type:
- Connectivity: Bluetooth
- Display Type: LCD, Digital
- Power Source:
- Use Location: Indoor
- App Ecosystem:
- Input Voltage:
- Humidity Range:
- Temperature Range:
- Smart Assistant Compatibility:
- First listed by seller: 12/6/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Joom
| Date | Price |
|---|---|
| 12/10/25 | $7.96 |
| 12/6/25 | $8.36 |
Shipping options
United States
Video Reviews
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| Brand | Constantine | Gaoducash | PHOVOLT | PHOVOLT | Sanofuturion | BaldrTherm |
| Model | TH01 | TH001 | TH11 | WHWSD01 | aa63d32f-af48-4751-81b5-70bada00cf23 | |
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| Price | $7.96 | $12.99 | $12.99 | $17.99 | $16.99 | $29.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 8, 2025 | January 21, 2026 | January 21, 2026 | January 21, 2026 | January 21, 2026 | January 21, 2026 |
| Sensors | Humidity | Humidity, Temperature | Humidity, Temperature | Humidity, Temperature | Temperature, Humidity | Temperature, Humidity |
| Controls | App Control | App Control, Voice Control | App Control, Voice Control | App Control, Voice Control | App Control, Voice Control | App Control |
| Mounting | Desktop, Wall-Mounted | Desktop, Wall-Mounted | Desktop, Wall-Mounted | Desktop, Wall-Mounted | Desktop, Wall-Mounted | |
| IP Rating | IP20 | |||||
| Dimensions | 25.0, 0.02, 71.0 | 25.4, 20.32, 20.32 | <num_width>, <num_height>, <num_z> | |||
| Sensor Type | Digital | Digital | Digital | Digital | ||
| Battery Type | AAA | AAA | AAA | |||
| Connectivity | Bluetooth | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi, Bluetooth | Wi-Fi, Bluetooth |
| Display Type | LCD, Digital | Digital | Digital | |||
| Power Source | Battery | AC Power | Battery | Battery | Battery | |
| Use Location | Indoor | Indoor | Indoor | Indoor | Indoor | Indoor |
| App Ecosystem | Tuya | Tuya | Tuya | |||
| Input Voltage | <num_from>, <num_to> | |||||
| Humidity Range | 0, 100 | <num_from>, <num_to> | <num_from>, <num_to> | |||
| Temperature Range | <num_from>, <num_to> | 32, 122 | <num_from>, <num_to> | <num_from>, <num_to> | ||
| Smart Assistant Compatibility | Amazon Alexa | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant | ||
