Projection alarm clock with indoor temperature/humidity. Features: 12 hour/24 hour selectable time projection with rotation, time alarm with snooze, adjustable backlight, and calendar (month, day, weekday). Indoor temperature range: 32 degree F to 122 degree F (0 degree C to 50 degree C). Humidity range: 10% RH to 99% RH. Includes AC adapter for primary power. 2 AAA batteries for backup (not included).