Provides you with precise real time indoor and outdoor temperature for your location. Features 12/24 hrs time, indoor temperature (F/C), wireless outdoor temperature (F/C), min/max indoor temperature readings (F/C), min/max outdoor temperature readings (F/C) and time alarm with snooze. Powered by 2 AAA batteries (not Included). Wireless outdoor sensor for temperature. Wireless outdoor sensor for temperature. Temperature trend. Low battery indicator alerts users when the battery is nearing end of charge. Max/Min temperature records.