La Crosse Technology 616-143 Projection Alarm Clock with Backlight with In/Out Temp Projects time and outdoor temperature (alternating) on wall or ceiling in easy to read numbers Wireless IN/OUT temperature (F/C) Atomic self-set time and date with automatic reset for Daylight saving time Calendar display Projects time and outdoor temperature (alternating) on wall or ceiling in easy to read numbers Wireless IN / OUT temperature (F/C) Atomic self-set time and date with automatic reset for Daylight saving time Calendar display