Color Black Material Plastic Quantity 1 Piece Screen Size 3 inch Battery Type Others1 x AG10 battery (included) Battery included or not Yes Accuracy 1'C / 2% Measuring Temperature -50'C~70'C Measuring Humidity 20%~90% Other Features Phase of the moon temperature and humidity at the same time; It has the function of clock snooze reminder of hour and it can also remember the max. / min. temperature and hygrometer and can exchange between C/F Temperature Range: -50C~70C Humidity Range: 20%~90% Year Range: 2003~2052 Packing List 1 x Hygro-thermometer 1 x Chinese / English user manual 1 x AG10 battery