Temp Minder Wireless Weather Station Easy-to-read LCD liquid crystal display with ultra blue LED light emitting diode back-light. Indoor thermometer and hygrometer Fahrenheit or Celsius selectable. Electronic weather forecast 12 to 24 hours in advance . Minimum and Maximum temperature record and programmable High/Low temperature alerts. Alarm clock with snooze. Calendar and day of week in 7 languages. Moon phase display. Requires 5 AAA batteries or optional A/c alternating current adaptor not included . 1 RS211 remote transmitter included. Additional transmitters sold separately. 1 year warranty. Scale Fahrenheit or Celsius, Temperature Range 22 F to 140 F; 30 C to 60 C, Receiver Range 210 ft 65 m , Wind Sensor Range N/A, Battery Type 5 AAA batteries, Pkg Qty 1, Package Type Clamshell