【Projector Alarm Clock】Allows you to easily read the time on the ceiling instead of turning over and looking at the clock in bed. The recommended projection distance is between 1 and 3 meters. The time is projected in soft red and the projection can be reversed 90 degrees. It looks comfortable in the bedroom and will not disturb you. (Projection of permanent time is only possible in power mode.) 【Thermometer and measuring instrument】 Equipped with professional-grade sensors, the thermometer and indoor humidity monitor provide the most accurate readings, showing ambient temperature and humidity to determine if adjustments are necessary. The perfect bedroom alarm clock provides you and your family with the best living conditions. Estimated time and internal/external temperature are easily visible throughout the room. 【POWER AND BATTERY POWER】Press the top button to turn on the backlit LCD screen and project for a few seconds when AAA battery (not included) triggers the digital alarm. Backlight and projection are always enabled when using an AC adapter (not included). Just press the echo button to adjust the brightness mode of the backlight and optical media output. A USB socket can be used as a charger. 【Dual Alarm Clock with Snooze Function】 Allows you to set two separate alarms for different purposes. With the snooze function, this alarm will give you 5 extra minutes of sleep. 2 minutes loud ringtone, the best alarm clock for heavy sleepers. Press any key other than the top key to stop the alarm. The alarm will go off automatically the next day. The projection clock makes it the ideal gift option or the perfect travel companion. 【Compact Design】 Dual alarm, room temperature and humidity, 12/24 hours, date and day of the week are displayed on a 3-inch backlit LCD screen. USB charging port for smartphones. This watch is designed with a 5V 1A USB output to charge your smartphone at night.