La Crosse Technology 308-1417BL Backlight Wireless Forecast Station with Pressure

Dynamic forecast icons & tendency indicators with IN/OUT temperature (°F/°C) and humidity (%RH), Barometric pressure with 24 hr history graph; Temperature alerts (In/Out) and recorded values (MIN/MAX), Constant backlight display (operating with AC power) and HI/LO/OFF settings (on-demand , battery-only use), Atomic self set time and date with automatic DST reset (on/off option); 7 USA time zone selections, Operates on included 5V power adapter, optional backup requires 2 AA alkaline batteries (not included); T/H sensor requires 2 AA batteries (not included)