✔ Monitors outdoor temperature and indoor temperature/humidity with daily High and Low records; Displays in Fahrenheit or Celsius.
✔ Powered by 4 X AAA batteries (not included), two for indoor receiver, and two for outdoor sensor. Include a triangular opening pry tool to open the battery cover easier.
✔ Easy installation of receiver: A push-pull display stand is for tabletop use, and the hole behind for wall mounted.
✔ The outdoor waterproof sensor features 433 MHz wireless technology with a hole behind for easy mounting; Transmits data every 60 seconds from up to 98 feet (30 meters) away.
✔ It allows you to check the indoor atmosphere, so you can adjust room humidity and temperature level to improve comfort degree and keep health. And it forecasts the outdoor temperature so that you can prepare the clothes with right thickness without going outside.