WiFi Thermometer Hygrometer, Wireless Indoor Outdoor Temperature Humidity Monitor, Solar Boost, 3.9" Large Screen, App Alerts for Home, Greenhouse, Pipe Protection, Cellar & Baby Room

Smart WiFi Remote Monitoring & Freezing AlertsKeep a vigilant eye on your property from anywhere. Connect via 2.4GHz WiFi to receive instant phone notifications the moment temperature or humidity levels exceed your customized comfort zones. Specially equipped with a Freezing Alert, it's the ultimate safeguard to help you prevent frozen pipes and greenhouse frost damage while you're away.
3.9" Ultra-Large LCD for Crystal Clear Reading Experience superior visibility with our massive 3.9-inch digital screen. The bold, high-contrast digits allow you to read current temperature and humidity from across the room at a glance. The non-backlit design ensures zero light pollution in bedrooms and nurseries while significantly extending battery life for year-round reliability.
Solar-Hybrid Powered with 1-Year Battery LifeGo green and stay powered. By combining integrated solar panels with ultra-low power consumption, this device achieves an incredible 12-month battery life. Its a "set it and forget it" solution, perfect for hard-to-reach areas like attics, basements, or high wall mounts where changing batteries is a hassle.
Versatile Environmental Guard for Your HomeWhether its maintaining the perfect nursery environment, monitoring a garden greenhouse, or protecting a wine cellar, BaldrTherm delivers. Use the App to track historical 24h/Max/Min trends, ensuring your most sensitive spaces remain within the safe range for babies, pets, and delicate plants.

Why does the display have no backlight? Can I see the readings at night?
Designed without a backlight for zero light pollution, perfect for nurseries. The high-contrast 3.9" LCD is clear under ambient light. Check real-time data anytime via the App!
How long does the battery last? Do I need to buy batteries separately?
Solar-hybrid tech plus 3 AA batteries (not included) offers up to 12 months of life. The solar panel harvests energy from sunlight and indoor light to minimize battery drain.
How often does the data update?
Screen updates every 30s. Bluetooth syncs every 2s. WiFi cloud updates every 1h, but alerts for temp/humidity breaches are pushed to your phone instantly.
Can I use it in a fridge?
No. It is not intended for fridges/freezers. Low temps and high humidity can damage components, and metal walls block WiFi signals. Best for rooms, greenhouses, or basements.
What are Health Index & City Weather?
Our algorithm tracks 6 indicators like Mold Risk. Connected to WiFi, the App also syncs local city weather forecasts, allowing you to compare indoor and outdoor conditions at a glance.

Why does the display have no backlight? Can I see the readings at night?
Designed without a backlight for zero light pollution, perfect for nurseries. The high-contrast 3.9" LCD is clear under ambient light. Check real-time data anytime via the App!
How long does the battery last? Do I need to buy batteries separately?
Solar-hybrid tech plus 3 AA batteries (not included) offers up to 12 months of life. The solar panel harvests energy from sunlight and indoor light to minimize battery drain.
How often does the data update?
Screen updates every 30s. Bluetooth syncs every 2s. WiFi cloud updates every 1h, but alerts for temp/humidity breaches are pushed to your phone instantly.
Can I use it in a fridge?
No. It is not intended for fridges/freezers. Low temps and high humidity can damage components, and metal walls block WiFi signals. Best for rooms, greenhouses, or basements.
What are Health Index & City Weather?
Our algorithm tracks 6 indicators like Mold Risk. Connected to WiFi, the App also syncs local city weather forecasts, allowing you to compare indoor and outdoor conditions at a glance.

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