Digital Large LCD Indoor Outdoor Thermometer Hygrometer Humidity Temperature Meter w/ Temperature Sensor &deg;C/&deg;F Outdoor Temperature range: -40C ~70C Indoor temperature range: 0C~50C (32F~122F); Resolution:0.1C(0.1F); Accuracy:+/-1C(2F) Humidity:10%-99%; Resolution:1%; Accuracy:+/-5% Super large LCD:6.6*9.2cm; Max outdoor temperature sensing distance:1.5m Power Supply:1 x 1.5V AAA battery (Not included)