MINDER RESEARCH WIRELESS THERMOMETER AND CLOCK TM22259VP

Allows you to receive wireless indoor or outdoor temperature readings from up to three remote sensors (one sensor included) from up to 165' away. The Thermometer also stores minimum and maximum temperatures. Displays temps in Celsius or Fahrenheit. User-selectable 12/24-hour clock. Display operates on two AAA batteries; sensor operates on two AA batteries. Batteries not included. Model MRI-200MX