[Battery Life]:Use AAA x 2pcs,battery are not included. [LCD screen display]:The sensor uses LCD as the display of temperature and humidity. Description: [Remote Control]:You can remotely view temperature humidity via smart phone using the app,tuya smart or smart life. [Third party voice support]This sensor supports and Home Asistant. You can view the current temperature and humidity through voice. [High ]sensors use top tier suppliers. It can high accuracy of measurement data., Weight: 0.05952481074 Pounds, Manufacturer: Jaywool