La Crosse Technology Round WWVB LCD Projection Alarm Clock with IN/OUT Temperature, Black: * Round tube design projection alarm with snooze feature * Atomic time, date, and day of the week automatically sets * Wireless IN/OUT temperature (F/C) * Displays your outdoor temperature and time on wall or ceiling * Projection alternates time and outdoor temperature * Wireless, weather-resistant outdoor sensor (requires 2 AAA batteries, not included) * Low battery indicator icon for outdoor weather sensor * Displays your indoor temperature on digital LCD clock face * Sound-activated, blue backlight * Projection and arm rotate for proper viewing * Adjustable projection focus * 8 moon phase display icons * Includes 5.0V AC adapter for primary power * Features a 3 AAA battery back up power supply (batteries not included) * Time zones: AST, EST, CST, MST, PST, AKT and HAT * Model# 616-143