【180° Projection】The projection clock is designed with 180° adjustment angle, and the optimal projection distance is 1.5-2.5m. The time can be projected on the wall or ceiling, ideal for use in the bedroom and living room for easy reading of the time. 【Snooze Function】With 3 alarm modes to choose from, you can have it wake you up at a fixed time: Mon-Fri/Mon-Sat/Mon-Sun. When it's time to wake up, the frequency of the alarm sound will gradually increase to wake you up more comfortably. If you're too sleepy when your alarm goes off, you can press the "IMG" key to enter snooze mode to get 1-60 minutes of extra sleep. 【Night Mode】The electronic alarm clock has 2 levels of brightness that can be adjusted, you can choose the brightness you feel comfortable. You can also switch on night mode, where the display goes into a low light state and you can set the start and end time of night mode to suit your lifestyle. 【USB Powered】This projection alarm clock is powered by a USB power cable, you need to connect it to a power source. It also has a backup battery, which can enter power saving mode and save settings such as time alarms when the power is cut off or temporarily unplugged. 【Humanized design】Anti-disturb function at night, you can turn off the LED display while sleeping. With a temperature function, the ambient temperature will be detected every 15s. The temperature and time units can be set according to your habits, and the time, date, and temperature can also be displayed in turn.