Product Feature: 1. The product is made of high-quality materials with guaranteed quality 2. The product is very suitable for DIY enthusiasts and electronic teaching, etc 3. Stable product performance and long service life 4. With multiple functions such as time display, temperature display, power-off saving function, adjustable time and time division, adjustable alarm clock, etc 5. With light control function, the brightness can be automatically adjusted according to the environment (also used as a small night light) Product Description: 1. Time display, power-off saving function 2. Adjustable time and time division 3. Can display temperature 4. Adjustable alarm clock, alarm switch 5. Automatically adjust brightness on/off 6. Press S1 for the first time to enter the score adjustment mode, and at this time, press S2 to increase the score by 1 7. Press S1 for the second time to enter timing mode, and at this time, press S2 to add 1 8. Press S1 for the third time to enter the alarm clock adjustment mode. At this time, press S2 to increase the alarm clock adjustment by 1 9. Press S1 for the fourth time to enter the alarm clock timing mode. At this time, press S2 to increase the alarm clock timing by 1 10. Press S1 for the fifth time to enter the alarm switch. The default display is "0000", and the instant alarm is off. At this time, press S2 to display "1111", and the alarm is on 11. Press S1 for the sixth time to enter the automatic brightness adjustment mode switch, and the default display is "0000" 12. The automatic photometric adjustment function is turned off, and pressing S2 to display "1111" means automatic 13. Photometric adjustment function enabled 14. Press S1 for the seventh time to return to the main display screen Shipping list: DIY loose parts+Cable X1(with Shell)