ORIA Drahtloses Thermometer-Hygrometer 3er-Pack/2er-Pack Mini-Bluetooth-Innentemperatursensor mit Temperatur- und Feuchtigkeitsüberwachung und App

[Wireless App Control]We uses a high-end Bluetooth 5.0 chip and can easily monitor temperature and humidity data on app via Bluetooth. (Free downloading from App Store and Google Play) [Higher Accurate Monitor]Using an accurate and sensitive Sensirion temperature and humidity sensor, it can achieve a temperature error of ± 0.5 ° C (± 1 ° F), a humidity error of ± 3%, and refresh once per second for higher accuracy. [Data Storage Export]Support temperature data export function, record a group of data every 10 min, can store up to 100 days of data. Data on the APP shows red when data is beyond preset range. [Portable Design]Wireless sensors Smaller size than other brands(1.5 x 1.5 x 0.62 inches). Space-saving and portable. It can be used for about 1 year withCR2477 battery. [Bluetooth distance range]This product supports a barrier-free distance of 50 meters between the mobile phone and the transmitter ●Small size and low power consumption, the product size is about 1.5 x 1.5 x 0.62inches. ●It can measure indoor high temperature, low temperature and normal temperature, and the measurement speed is fast and the measurement temperature is accurate. ●Smart Bluetooth app, connect up to 100 at the same time. ●Temperature range: -20-60 ° C (-4-140 ° F); humidity range: 0-99%. ●Support temperature data export function, record a group of data every 10 Min. ● Use CR2477 battery,and battery can be replaced. Reminder: Android phones must turn on geolocation when connecting to sensors.