1. Multi functional Electric clock, which can set date/week/time/alarm clock/temperature 2. A digital clock controlled by a microcontroller with a supply voltage of 5V DC 3. Using a dedicated timing chip DS1302, it can display hours, minutes, seconds, months, days, and weeks. With temperature measurement, music alarm clock, hour reminder, and brightness control 4. Four digit Nixie tube, control adjustment button, memory battery, all functions are realized by two user keys 5. Paired with a USB to DC power cord, it is easy to use. There are four melodies to choose from for alarm music. Name:Multifunctional Digital Clock Power supply voltage:DC 5V MCU program:The program has been burned into the microcontroller Function:Display of time on month, day, and week, alarm function, temperature measurement, hour reminder, brightness control, power outage memory Usage:Desktop art accessories for home, school, and company use. Loose parts are used for electronic enthusiasts and practical training kits in universities and colleges. Type:A:Green font/B:Blue font/C:Red font Colour:Green & Transparent Material:PCB+electronic components+acrylic Package Contents: 1 * Electronic Clock DIY Kit 1 * Transparent Case Only the above package content, other products are not included. Note: Light reflection and 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.