3 Level Dimmable 180 Projection ClockAdopting 180 (-90 to 90) adjustable projector with HD red laser light, which makes you see the time both on ceiling or wall easily within a distance of 5m, and the optimal projection distance is 3m. There are 3 levels projection brightness (bright-medium-off) to choose from. In addition, long press the Projection button to flip projection view upside down. Automatic Light Sensor Temperature and Humidity DetectThe digital alarm clock is equipped with a 7-inch large LED mirror screen for clear and comfortable vision. The projection clock not only has an automatic light sensor for smart brightness adjustment, but also provides a 4-level manual dimmer (high, medium, low and off) to set the most comfortable brightness for you. In addition, it will tell you the real-time indoor temperature and humidity to take care of your health. 15-Level Volume Fm Radio with Auto-Off TimerComing with an antenna, the FM radio alarm clock can automatically search, lock, and storage unlimited number stations within 76-108 MHz for your quick and easy access next time. You can adjust the 0-15 levels volumes to meet your most comfortable listening. The auto power off function allows you to set a sleep timer from 5 to 90 minutes, and automatically turn off the radio after a specified timer. Dual Alarms Clock with 2 Sounds Selection Snooze FunctionTwo separate alarms are designed for two or a family use, and you can choose buzzer sound, it will continue to 2 minutes if you dont turn off, or you can choose the radio sound and it will keep ringing to loudest until you turn off. You can press snooze after alarm sounds for extra 5-minute lazy sleep and repeat this step for another 5-minute which is defaulted, also can be set 5-60 minutes snooze time to meet your needs. USB Charging Outlet Port There is a 5V USB output port behind the projection alarm clock to charge mobile phones or smart devices. You can enjoy the convenience of having your devices charged together with your LED alarm clock. Please Note: The projection alarm clock needs to be connected to the power supply all the time.