Brand KeJian Model DZ01 Quantity 1 piece(s) per pack Color White + silvery grey Material ABS Specification 3.9" LCD; Indoor temperature measuring range: -9.9~50'C (14.2~122'F); Measuring time: 30s; Precision: +/-0.5'C; Resolution: 0.1'C (0.1'F); Humidity measuring range: 20~95% measuring time: 30s precision: +/-3~5%RH (40~80%RH) resolution: 1%RH; Powered by 3 x AAA batteries (not included); Function: 12 / 24 hours format; Alarm clock: sleeping LED backlight; Temperature and humidity display; Weather forecast: sunny cloudy rainy; Environmental comfort level indicator: moon pattern Packing List 1 x Hygrometer 1 x Chinese user manual