Feature: 1. This kit is designed with DIP devices, and soldering is very easy, even for electronic beginners. 2. Using the DS1307 clock chip with a high-precision crystal oscillator to provide accurate time, you can put the CR2032 backup battery to prevent power loss time data. 3. The toggle switch can switch between the vibration mode and the buzzer mode. In the vibration mode, the alarm, the countdown, the button feedback, and the Integral point announce are all prompted by vibration. 4. With backlight display, it can be set to 1-16 levels backlight brightness or automatically change the backlight brightness according to the environment. 5. Built-in highlight 5MM pink LED, the program simulates the candle flame effect, creating a romantic atmosphere. In addition, the LED can be set to 5 different lighting effects. 6. 6 different display interfaces, displaying time, date, day of the week and temperature. In addition, it can be set to automatically switch interface mode, and automatically switch to different information display interface every day. 7. The holiday reminder function can display holiday reminders such as Easter, Valentine\u0027s Day, Mother\u0027s Day, Thanksgiving, etc. 8. You can set a birthday reminder, set the corresponding month and day, and the date will show \"Happy Birthday to you!\". 9. Voice-activated wake-up function, tapping the desktop or patting the palm to wake up the LCD display. 10. Different format display, different formats of Fahrenheit and Celsius, different display formats for date and 24/12 format. 11. You can set the contrast of the LCD screen to adjust the screen clarity. 12. Countdown function, countdown end LED flashing and buzzer beep/vibration motor vibration reminder. Specification: This DIY clock has a bright pink LED that simulates the candle flame effect, creating a romantic effect that the flame is gradually fading. In particular, it can be set to the vibration mode, which will be reminded by vibration in the situation of alarm clock, countdown, hourly chime and so on. In addition to displaying information such as time, date, day of the week, and temperature, there are also important holiday reminders, as well as customizable birthday reminders, as well as a variety of time display options, automatic adjustment of backlight brightness and voice-activated backlighting. You can also set the countdown reminder and set the LCD contrast and so on, so that the clock DIY is no longer a simple and boring time display. What's important is that the kits are all made with in-line components, making it easy to make a successful DIY enthusiast. Features: This kit is designed with DIP devices, and soldering is very easy, even for electronic beginners. Using the DS1307 clock chip with a high-precision crystal oscillator to provide accurate time, you can put the CR2032 backup battery to prevent power loss time data. The toggle switch can switch between the vibration mode and the buzzer mode. In the vibration mode, the alarm, the countdown, the button feedback, and the Integral point announce are all prompted by vibration. With backlight display, it can be set to 1-16 levels backlight brightness or automatically change the backlight brightness according to the environment. Built-in highlight 5MM pink LED, the program simulates the candle flame effect, creating a romantic atmosphere. In addition, the LED can be set to 5 different lighting effects. 6 different display interfaces, displaying time, date, day of the week and temperature. In addition, it can be set to automatically switch interface mode, and automatically switch to different information display interface every day. The holiday reminder function can display holiday reminders such as Easter, Valentine's Day, Mother's Day, Thanksgiving, etc. You can set a birthday reminder, set the corresponding month and day, and the date will show "Happy Birthday to you!". Voice-activated wake-up function, tapping the desktop or patting the palm to wake up the LCD display. Different format display, different formats of Fahrenheit and Celsius, different display formats for date and 24/12 format. You can set the contrast of the LCD screen to adjust the screen clarity. Countdown function, countdown end LED flashing and buzzer beep/vibration motor vibration reminder. Specifications: Material: Plastic + metal Item Size: 116 * 36 * 20mm / 4.57 * 1.42 * 0.79in Item Weight: 94g / 3.31oz Package Weight: 95g / 3.35oz Package Size: 15 * 10 * 2.5cm / 5.91 * 3.94 * 0.98in Package List: 1 * Clock DIY Kit 1 * USB Cable Package List: 1 * Clock DIY Kit 1 * USB Cable