WIRELESS THERMOMETER displays indoor and outdoor temperatures! Sensor easily mounts on any outside wall and has a range up to 300 feet. Compact indoor thermometer has an easy-to-read LCD digital screen that shows temps in Fahrenheit and Celsius, high/low temperature records, time of day and battery strength. Outdoor sensor uses 2 AA batteries; indoor unit uses 2 AAA batteries (none incl.).
Easy to read, little arrow showing rising, dropping or steady for both indoor/outdoor. Push a button for min/max is nice.