ROTATE PROJECTION FUNCTIONCompared to other projection clocks, our clocks can simultaneously project time and temperature. Use the ON/OFF button to control, the projection distance is 0.5-3m, and the optimal projection distance is 1-3m. The swivel design adjusts the right angle and helps you easily read all the information on the screen from any angle when you are lying on the bed. 4 LEVELS OF ADJUSTABLE BRIGHTNESS This projection clock features 3 levels of brightness: super bright, medium brightness, soft light and tint. Backlight and projection keep the light out, you can easily adjust the clock brightness according to the environment, protect your eyes and save energy. MULTIFUNCTION DISPLAY SCREEN The multi-function alarm displays the following functions: time, date, temperature, humidity, etc. The temperature is indicated in C or F and varies from -9 +50 degrees Celsius. Time can be adjusted in 12/24H mode, temperature can be displayed in C/F mode (range -9 C ~ +50 C / 15 F ~ 122 F). It will be an indispensable tool for your family. DUAL ALARM CLOCK AND DUAL POWER The alarm clock function can set 2 independent activation times, the snooze function allows you to sleep for another 5 minutes and then remind you again, very suitable for the weekend. Dual power options: powered by 2 AAA batteries (not included), USB power cable (without adapter). BEST GIFT & PRODUCT SERVICE Elegant digital projection will be a great gift for your grandparents. parents, your friends and your children. It can be used in the bedroom or in the office. We offer 30 days free replacement or full refund service. If you have any questions or concerns, contact us and we'll do our best to help resolve the issue.