4-Digit Digital Clock DIY Kit LED Mixed Color Nixie Tube Table Desk USB-Powered Clock

Features:
[Premium Quality Punctual Timing] Display time with special color mixing LED digital tube; using DS1307 clock chip with high precision crystal oscillator to provide accurate time, can be put into CR1220 backup battery to prevent loss of time data when power off.
[Multiple Effects] Five switching animation effects are available, which can display the Time, Temperature, Date and Day of the Week; four backlight LED effects are available; and five kinds of Red LED Cube Moving effects are optional; and time update animation effect.
[User Defined Clock] 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 different formats. You can select how often to switch the time, temperature, date and day of the week.
[LED Backlight] Four backlight LED effects are available. 16 levels of brightness adjustment. In addition, the brightness can be adjusted automatically according to the ambient light.
[Stylish Practical] Transparent acrylic front and rear shell. Enables countdown, stopwatch, alarm and 16 menu setting functions in total. Your setting parameters will be stored if suddenly meet power down.
Note:
*Batteries are not included.
*Please install the coin cell battery (model CR1220) before power on, otherwise the clock may display errors.
*The soldering temperature should not be too high below 320C
*We recommend that the soldering iron be grounded and that it is best to wear an electrostatic wrist strap grounding solder. The welding speed should be as fast as possible.