The AcuRite Notos 3-in-1 Home Weather Station lets you plan the day with confidence! The outdoor wireless weather sensor features an integrated outdoor thermometer hygrometer and wind anemometers to provide the indoor display with temperature humidity and wind speed measurements. Using patented self-calibrating technology this weather station collects data from your own backyard (elevation and barometric pressure) to generate a customized hyperlocal forecast 12 hours from your current conditions. This home weather station is a perfect gift idea for Father’s Day Christmas birthdays or any occasion! The monochrome LCD screen includes indoor/outdoor temperature and humidity measurements with daily high and low information. Also included is the heat index wind chill barometric pressure with trend arrow a multi-variable history chart (includes the past 12 hours of data for pressure temperature or wind speed) moon phase information a self-setting clock and day and date. The atomic clock and calendar are radio-controlled to maintain the correct time and date with split-second precision and automatically adjust for daylight saving time — features only the best weather station can boast! The wireless display requires three (3) AA batteries (not included) and stands upright for tabletop use or can be mounted — using the integrated keyhole hanger — to a wall. The wireless outdoor sensor requires four (4) AA batteries (not included) and transmits data to the display over a 433 MHz signal from up to 330 feet away. This AcuRite weather station comes with a one-year limited warranty.