Compare Bluetooth 5.0 Thermometer Hygrometer, 2pcs Wireless App Control Accurate Temperature and Humidity Meter, Sensor Monitor with Screen, Button, Alarm Price

High precision sensor: - Built-in MEMS sensor, updated once per second to provide more accurate and faster data. Temperature error can be within ±0.5℃ (±1℉), humidity error can be within ±5%. With the Bluetooth 5.0 chip, the temperature sensor provides wireless real-time monitoring of temperature (-20-60°C) and humidity (0-99% relative humidity). APP control without cable: - The temperature sensor uploads data to APP when connected via Bluetooth. You can check the maximum and minimum values of temperature and humidity in the APP from your phone. Support Android 4.3 or above or above Smart Device. You can also see the temperature and humidity on this 1.5-inch screen. Free download the APP from the App Store or Google Play Smart Alert for Reminder: - The data in the APP turns red to remind you and your family to know the fluctuations of temperature and humidity and Over time, making some changes will cause the data to exceed your preset value. and the notification will be sent to APP.