ThermoPro TP358W rechargeable temp and humidity monitor is equipped with advanced Swiss Sensirion sensor, offering high accuracy of temperature up to ±0.5℉and humidity to ±3%RH. 260-Foot Bluetooth remote range can cover your whole living environment. Hygrometer thermometer features a large backlit LCD screen, showing the current temperature and humidity, comfort indicator and trend arrows, also the time and day, allowing you to check the environment condition and time with just a quick glance!