Packing list: 1 x projection alarm clock, 1 x USB cable, 1 x CR2032 button battery, 1 x color box, 1 x user manual The LED screen clearly displays the time and temperature, and supports simultaneous projection of time and temperature on the wall. Daily dual alarm function, the alarm switch is a DIP switch, the operation is very simple. High-definition red projection, can be rotated 180 degrees, the effective distance is 5 meters LED screen brightness levels: 4 levels of brightness Color: Black with blue letters Light-sensitive backlight automatic adjustment function (can adjust the brightness of the screen according to the ambient brightness) Built-in CR2032 button battery (isolated) with memory function. After the external power supply is cut off, the product settings remain unchanged and work normally. There is no need to reset the alarm after a power failure. There is a USB output port on the back, suitable for charging mobile phones and other electronic devices.