DIY Digital Tube Shaped LED Alarm Clock Kit Multifunction Date Countdown Time Temperature 12/24h C/F Display Backlight Color: Blue/Yellow/White (Optional)Description:This DIY watch kit uses red and green color special white digital tube. The red LED square can be used as the movement of seconds. The green digital part displays the time, temperature, date, and day of the week. At the same time, there are three optional colors of yellow, blue or white for the backlight effect and flashing hands on the inside and back, and multiple backlight effects are built-in. What's more, the digital tube-shaped has a variety of switching animation effects to choose from, as well as more than a dozen functions, such as alarm clock, automatic brightness adjustment, time signal, hour change animation, countdown and stopwatch, so that a simple DIY watch is no longer boring. Features:Special Color Mixing Display Time Digital LED Tube; Using DS1307 clock chip with high-precision crystal oscillator to ensure accurate time, you can put in the CR1220 a backup battery to prevent time data loss when power off; There are five switching animation effects that can display the time, temperature, date, and day of the week. The time can be set to 12 or 24 hours, the temperature can be set to Fahrenheit or Celsius, and the date can be displayed in a variety of formats. You can set the time display alternately with "hour: minute" and "second". One alarm clock, with LED backlight and beep, press any button to stop the alarm clock. There are four LED backlight effects.16 levels brightness adjustment. In addition, the brightness can be adjusted automatically according to the ambient light. You can choose how often you want to switch the time, temperature, date, and day of the week. Five kinds of red cube LED moving effects are optional. Time update animation effect. You can turn on the "wake-up" function and press any button to display all the information, then automatically turn off the display. The three middle "colon" walking effects are optional. Countdown function: after setting the minutes and seconds, the LED will flash and buzz when the time reaches. Stopwatch function with 0.01 second time accuracy. Transparent acrylic front and rear spoilers. A total of 16 menu setting functions, power-off memory menu setting parameters; USB DC 5V supply voltage; Overall dimensions: 87mm x 27mm x 21mm; Feature:1. Press and hold the settings button (left) for about 1.5 seconds to enter or exit the menu;2. Short press the switch key (right) to switch between: (set time)-(set date)-(set Alarm)-(set LED mode)-(set brightness)-(set information switch time)-(set Format)-(set Led Move cube)-(set time signal)-(set digital time transition effect)-(set information display switching animation)-(set countdown)-(turn on wake-up button)-(set midpoint "Colon" effect)-(turn on seconds display)-(Stopwatch function). Parameter Settings:1. Time (set time): change the flashing parameter value by the switch key (right), and confirm the change by setting the key (left);2. Date (set date): the modification sequence is: year-month-day;3. Set Alarm: turn on-on the alarm and enter the alarm time setting; Disable-disable alarm4. LED effect (LED set-mode): 0-turn off backlight; 1-always on; 2-Key light; 3-Breathing mode; 4-Light light mode;5. Brightness (Brightness Set): Level: 1-16- (Brightness 1-16); Automatically adjusts brightness according to your environment;6. Set switching time: 0-only time display; 1-switch once within 10 seconds; 2-switch once within 30 seconds; 3-switch once in one minute; 4-switch once in 2 minutes; 5-switch once every 10 minutes;7. Display Format (Format set): The switch (right) toggles three format settings [Time Format-Date Format-Temp Format]. Time format: 24 hours (24-hour mode); 12 around the clock (12-hour mode). Date format: month. Date: month-day mode; Date. Month: Day-month mode. Temp. Format: Celsius/. C-Celsius; Fahrenheit/. F-fahrenheit;8. LED Cube Move Mode: 0-turn off LED square; 1-LED square are all lights up; In 2 seconds, it moves one square; 3-6 seconds, moves one square; 4-Flip the color of one mesh; 5-one circle per second;9. Set time signal: set the (right) key to switch the built-in settings of [remind range-remind reminder interval]. Reminder scope: Enter the start time of the reminder (inclusive) and the end time of the reminder (not included). [Note] 00-00 (never remind); 00-24 (24-hour reminder). Remind: both (LED flashing + buzzer); LED- (LED only); Sound-(buzzer only). Remind interval: every 15 minutes (reminding every 15 minutes); Every 30 minutes (reminding every 30 minutes); Every hour (reminding every hour); every 2 hours (every two reminds every hour).10. Digital Time Transition Effect: OFF-no transition effect; 1M-transition effect every minute; 5 M-transition effect every 5 minutes; 10 M-transition effect every 10 minutes; 15 M-every 15 minutes one conversion effect; 30M-one conversion effect every 30 minutes; Con