Specification Model FJ3390TYPlug EU PlugPerpetual Calendar Up to Year 2099One USB output port for chargerIndooroutdoor humidity measurable range 1 RH 99 RHTemperature measurement ranges Indoor 10℃ 50℃ 14℉ 122℉ Outdoor 40℃ 70℃ 40℉ 158℉ Maximum Minimum indoor temperature and humidity recordPower Supply Weather Station Battery 2 x 1 5V LR06 AA not included Power Input DC 5V more than 1A Power Adapter Wireless Outdoor Sensor Battery 2 x LR03 AAA not included Material ABSItem Size 20 5 13 3 cm 8 07 5 12 1 18 inchItem Weight 415g 14 64ozPackage Size 25 4 16 7 7 cm 10 6 57 2 75 inchPackage Weight 645g 22 75ozFeatures 1 Smart App Control Connects to the Tuya Smart App via WiFi providing more accurate data and easy control through your smartphone 2 Comprehensive Display Large color screen shows time date week indoor and outdoor temperature humidity weather forecast UV index and more 3 Flexible Temperature Display Switch between Fahrenheit ℉ and Celsius ℃ easily with time display options in both 12HR and 24HR formats 4 Multiple Alarms Three daily alarms with a convenient snooze function help you keep track of your schedule 5 Adjustable Backlight Features a 4 level brightness adjustable backlight which can be continuously on when plugged in or temporarily when running on batteries 6 Wide Application Suitable for various scenarios including bedroom garage attic cellar pet case refrigerator and more Temperat