... 6V)Display122×32 LCDDisplay interface Nominal sound pressure level and frequency, environmental temperature, relative humidity, ... , wind speed (optional), clock calendarNominal sound pressure level and frequency, environmental temperature, relative humidity, wind speed ... kPa, Humidity:10 % ~ 90 %Barometric corrections Automatic correction Manual correction Accessories1/2″Adaptor(AWA8531),5V Power ...