(3) tempi.fi Mini Wireless Temperature and Humidity Sensors - Developed in The USA - 24/7 Data Logger with Alarm – Bluetooth Smart Thermometer and Hygrometer - Bluetooth Only - Not Wi-Fi

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About This 🌡️ ACCURATE AND AUTOMATIC - Made with premium Swiss components, this wireless temperature and humidity monitor is extremely accurate. It automatically records a new temp erature and humidity reading every minute of the day and syncs to your phone 🌡️ ALERTS ON YOUR PHONE: Whether you are monitoring your refrigerator, freezer, or greenhouse - the temperature sensor will send an alert directly to your phone so you can take action before it's too late. Each sensor can send alerts to multiple phones and each phone can monitor multiple sensors 🌡️ UNLIMITED STORAGE: Easily browse hours, days, weeks, and years of historical data using the app's interactive and intuitive graphs. Export the entire history - or just parts of it - as a CSV file, which can be opened in Microsoft Excel or Google Sheets 🌡️ FITS ALMOST ANYWHERE - This mini sensor is beautiful to show off and also super easy to hide. You can fit it in your freezer, fridge reptile cage, and just about anywhere else 🌡️ BLUETOOTH: This sensor can sync with your phone from up to 330 ft away. Obstructions such as walls will reduce the range but in a typical 3000 sqft house, you can usually monitor any room. If out of range, your phone will automatically sync up to the last 40 days next time you are within range. Overview Brand : tempi.fi Material : Metal, Plastic Style : Modern Measurement Accuracy : +/- 1° for temperature, +/- 3% for humidity Mounting Type : Wall Mount Show more