1. The alarm sound is enough to make you hear get up. 2. The display is always on. 3. The time has no memory function, the time needs to be reset after power off 4. Compared with professional thermometers, there are errors. The weather forecast is for reference only, the projection head rotates 180 degrees. 5. The display screen the person's face, the projection arm rotates toward the back of the fuselage. The projected font is positive, which means that when the direction of the person' of sight is consistent with the direction of the projection arm, it is positive, . It is designed according to the ergonomic way of thinking. Product Function: 1. LCD color screen display, LED backlight 2. Time display, projection time, adjustable calendar display, 3. Humidity temperature display: Automatically detect display the current environmental humidity temperature (Humidity range: 20%RH -99%RH, temperature range: 0degC-and50degC/32degF-122degF) According to temperature humidity parameters. Forecast the current weather status. Displayed in form 4. Maximum/minimum temperature humidity records 5. Alarm/snooze function 6. Voice control function 7. Projection angle can be change, 8. Small, simple design digital display easy to read all information from every angle. 9. Power Supply: USB power cable (included). size:18x9x4cm Material:ABS colour:Black and Blue Package Contents: 1 x projection alarm clock 1 x USB cable Only the above package content, other products are not included. Note: Light different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.