【LCD Display Digital Clock】The led alarm clock with 3in LCD display, showing time(12H / 24H), date, week, temperature(°F/°C) and humidity. Press and hold down the "TIME'' button for 2 seconds and you can set it. Large number displayed on LCD screen, very easy and comfortable to read, especially for kids and elder people.【4 Backlight Brightness Modes】This digital clock is designed with 4 brightness modes while in DC power. Just simply touch the button on top of the projection clock, screen brightness will become high light - medium light - low light - off, you can set the screen brightness according to your preference. The screen brightness will in high light mode for 8 seconds in battery power situation when touching the button.【Dual Alarm Clocks With Snooze】Dual alarm design, it can be set two separate wake-up alarms. Snooze function allows 5 extra minutes of sleep before alerting you again. The alarm volume gradually increased, it will not scare you awake from sweet sleep. Press any button except the top button to stop the alarm.【Rotatable & Clear Projection】160° rotating angle, 180° forward and reverse projection, cater to your different needs. Projection on the wall or ceiling, ensures you can easily and clearly read the temperature and time while lying in bed. The suggested distance of projection is 1-3m(3.3-9.8ft).【Power Supply & Battery Powered】With two ways of power supply, this small digital alarm clock is power by AAA batteries( not included) or 5v power adapter(not included). There is a USB output port on the side of the alarm clock, which can charge for your phone and other electronic equipment.