La Crosse Technology WT-5220U-IT Projection Alarm Clock with Indoor/Outdoor Temperature Wireless outdoor temperature (F/C), Monitors indoor temperature (F/C) Projects time and outdoor temperature (alternating) on wall or ceiling in easy to read numbers Projection and arm rotate for proper viewing, Automatic focus of projection Atomic time and date with manual setting, Automatically updates for Daylight Saving Time (on/off option) 12/24 time display, Perpetual calendar, Time zone setting, Time alarm with snooze, AC power adapter included