Bluetooth 5.0 Thermometer and Hygrometer, 1 Pack, Wireless, App-Controlled, Accurate Temperature and Humidity Monitor, Sensor with Alarm Function, for iOS/Android

【Wireless APP Control】- The temperature sensor uploads data to the app when connected via Bluetooth. You can check the maximum and minimum temperature and humidity values ​​on the app from your phone. One smart device (such as your phone) can connect up to 100 temperature sensors simultaneously. Supports Android 4.3 or higher, or a higher-end smart device. 【High-Precision Sensor】- Built-in MEMS sensor, it refreshes once per second to provide more accurate and faster data. The temperature error can be ±0.5℃ (±1℉), the humidity error can be ±3%. Adopting a Bluetooth 5.0 chip, the temperature sensor provides real-time wireless monitoring of temperature (-20-60℃) and humidity (0-100% RH). Up to 50m (164ft) connection distance (in open areas). 【Smart Alert for Reminders】- The data on the app will turn red to remind you and your family about temperature and humidity fluctuations and to make adjustments when the data exceeds your preset values. The alert will be sent to the app. It can be used for monitoring homes, pets, refrigerators, freezers, coolers, wine cellars, greenhouses, etc. 【Mini & Portable Design】- The wireless humidity sensor is smaller than others, measuring 1.5 x 0.62 inches. It uses a built-in CR2477 battery, providing approximately 365 days of battery life. A hanging hole allows for various locations as desired. Space-saving and convenient. 【Data Storage Export】- The wireless thermometer and hygrometer will record data every 10 seconds in the app, for a total of up to 100 days. Data can be downloaded in CSV format for free after registering an account. We offer a one-year warranty. You will receive 1 mini thermometer and hygrometer. Note: The product does not include other items shown in the picture.