Track humidity and temperature in 4 areas of your home with the AcuRite Temperature and Humidity Weather Station with 3 Indoor/Outdoor Sensors. Featuring Self-Calibrating Forecasting, this home weather station measures indoor and outdoor temperature, indoor and outdoor humidity, and barometric pressure. Weather forecast icons clue you into current conditions at a glance. It also tracks daily and all-time high and low records for both temperature and humidity. Alarms let you know when conditions exceed your presets. Easy-to-read, illuminated color display with auto-dimming brightness. Also features a calendar and clock that automatically adjusts for Daylight Savings Time. Station can be displayed on a tabletop or hung on a wall. Durable, all-weather sensors transmit data every 16 seconds and features a 330' wireless range. Display is powered by included AC adaptor. Each wireless sensor requires 2 AA batteries (not included).Manufacturer model #: 02082M.Measures: Indoor and outdoor temperature Indoor and outdoor humidity Barometric pressureAlso features: Track conditions in 4 areas of your home Self-Calibrating Forecasting Weather forecast icons Tracks daily and all-time high and low records for temperature and humidity Alarms let you know when conditions exceed your presets Easy-to-read, illuminated color display with auto-dimming brightness Calendar and clock automatically adjust for Daylight Savings Time Can be displayed on a tabletop or hung on a wall Durable, all-weather sensors transmit data every 16 seconds 330' wireless range