Model: TPW399 - Color: Silver + Black - 5.4" LCD display - Features: time date lunar phase air pressure temperature humidity alarm clock - Temperature range: 0~50'C / 32~122'F - Humidity range: 5%~99%RH - Air pressure range: 900~1050MB/hpa - Altitude: -100 ~ 2500m - Wireless transmission range: 30m (100ft) RF434MHz - Accuracy: 0.1'C (temperature) / 1% (humidity) / 1MB/hpa (air pressure) - Thermometer & hygrometer sensor with 1.1" LCD display (-10~60'C / 14~140'F / 5%~99%RH) - Main console uses 2 x AA batteries (not included) - Thermometer & hygrometer sensor uses 2 x AAA batteries (not included) - Comes with stand holder & English manual