2Pack Bluetooth Thermometer Hygrometer, Indoor Temperature Humidity Sensor with Electronic Ink Display, Free Data Storage Export, Digital Remote Monitor for Bedroom

You can not only check the current temperature & humidity on the LCD display, but also get current and historic data via the app on your phone.

• Reliable Bluetooth Connectivity for Local Monitoring:This indoor bluetooth temperature sensor maintains a stable connection via Bluetooth to the Smart Home App, allowing you to easily monitor real‑time temperature and humidity data directly on your smartphone when within range—no Wi‑Fi setup or internet access required.
• Face Icon Comfort Indicator: Instantly assess your environment with the clear face icon display on this remote temperature monitor. A happy face confirms ideal conditions when both temperature (18°C–28°C / 64.4°F–82.4°F) and humidity (40%–65% RH) are within the optimal comfort range. An unhappy face immediately alerts you when readings fall outside these parameters—providing a visual prompt to adjust your humidifier, dehumidifier, or air conditioner to maintain a comfortable and healthy space.
• High-Precision Readings with a Precision Sensor: Equipped with an accurate Swiss-made sensor, this smart thermometer hygrometer delivers reliable measurements. Temperature is precise to ±1℃ (±1.8°F), and humidity accuracy reaches ±5%RH. With data refreshing every 2 seconds, you receive consistently up-to-date readings.
• Clear Electronic Ink Display & Long Battery Life: Featuring an easy-to-read electronic ink screen that remains visible in various lighting conditions, this Bluetooth temperature humidity monitor is designed for clarity. Improved product quality supports an extended battery life of approximately 12 months using a button cell battery.
• One-Year Data Export & Trend Tracking: View and download temperature and humidity records from the past year directly in the app. This bluetooth home temperature monitor stores historical data locally and displays clear trend graphs, making it easy to track conditions in wine cellars, basements, greenhouses, and other key spaces—all without Wi‑Fi.
• Clear 180° View Electronic Ink Display: This Bluetooth temperature humidity monitor features an easy-to-read electronic ink screen that remains perfectly visible from any angle and under various lighting conditions, ensuring you can check your environment's status at a glance.