La Crosse Technology WS-7034U-IT Wireless Thermometer with In/Out Temperature Measures indoor/outdoor temperature in Fahrenheit or Celsius Displays time via manually set quartz clock in 12- or 24-hour mode Records minimum/maximum temperature readings for 24-hour period One TX29U-IT outdoor sensor included; can receive readings from up to 3 sensors Three AA batteries required for base; two required for remote sensor