WIRELESS APP CONTROL: Easily monitor real-time temperature and humidity data via the Phone APP using Bluetooth. The 328ft connection distance allows you to quickly monitor temperature and humidity remotely from anywhere in your home. HIGHLY ACCURATE MONITOR: The weather station has a built-in sensor, with a sensitivity of 0.5 Celsius and 0.5% and a refresh rate of 1s/hour, reliable to use. Our temperature humidity monitor offers more accurate and precise tracking data. LIGHTWEIGHT AND COMPACT: Lightweight and compact, convenient to carry out and not occupy much storage space, and it also has a hook, convenient for you to hang on the wall or other things. BLUETOOTH 5.0: Equipped with Bluetooth 5.0 technology, the humidity tester can be easily connected to your smartphone and clearly display the test data on the phone app within 100 meters in open environment. WIDELY USED: The wireless hygrometer is compact and lightweight, convenient to use, and it is perfect for refrigerator, baby room, balcony, car, pet bed, home, garage, greenhouse, office and more. Color: White Quantity delivered: 1 piece become very rich