Meade TE653ELW-M Weather Station with Atomic Clock: * Automatically sets itself to the U.S. atomic clock * Monitors indoor/outdoor temperature * Programmable ice warning alarm * Remote channels auto-scan * 24-hour barometric pressure history chart * Moon phase display * Time display format: 12 or 24 hour * Time zones supported: Pacific, Mountain, Central and Eastern * Calendar display: Month-day format * Dual alarm with snooze * Remote sensor transmits up to 100" * LCD display with enhanced blue backlight * Requires 2 AA batteries for the main unit (not included) and 2 AA batteries for the remote sensor (not included)