Wireless In&Out Thermo-hygrometer

· In&outdoor temperature display in °C/°F 
  Indoor temperature range: -10℃~50℃ (14°F ~122°F )
  Outdoor temperature range: -40℃~60℃ (-40°F ~140°F) 
· In&outdoor humidity display 
  In&outdoor humidity range: 1-99% 
· Current time in 12/24h
· Alarm with snooze function
· Calendar tracks year, month, date 
· Max/Min thermo-hygro records
· Low battery indicator
· Backlight
· Key tone optional
· Product size: 146*16*74mm
· Sensor size: 38*19*100mm
· Power supply:
 Station : 3"AAA" alkaline batteries (not included) 
 Sensor : 2"AA" alkaline batteries (not included)