Description:This is a multifunctional DIY kit watch, built-in 15 menu settings, you can set many different functions through the touch buttons. For example, the brightness can be automatically adjusted according to the environment, you can wake up the clock by voice, but also can be set according to different preferences time on the Show-division (hour: minute: second) mode or hour-by-minute mode (hour: minute), each also added different animation effects, as well as countdown, backlight effects, birthday reminders, 16 common holiday reminders have also been added. Increased practicality, better functionality, and black clear acrylic make the clock look more concise. Features:Built-in touch key for easy operation. Large led display to clearly show time, temperature, date, week, etc. It uses DS3231 high accuracy clock chip (with temperature compensation), it can still travel accurately when powered by backup battery. Special dot matrix design, reminding you of important festivals and alarm clock function. Font, time mode, display effect and animation effect can be switched freely.C/F selectable for temperature, 12H/24H time display mode. It can automatically adjust the brightness according to the ambient light or specify it. Includes voice control and countdown function. With a transparent case, the components can be well protected. With a power cable, it is convenient to power the clock. Specifications:Material: FR4Display Color: White/Red/Blue/Green (Optional)Power Supply: USB Interface Dot Matrix Size(1pc): 2.8*4.2cm/1.10*1.65inAcrylic Board Size(1pc): 16.6*4.2cm/6.54*1.65inPackage Size: Approx. 17 * 11 * 3.5cm / 6.69 * 4.33 * 1.38in Package Weight: Approx. 146g / 5.15ozNote: This product is easy to install, but if you don't know how to install, welcome to send you the user installation manual. Package Included:1 * Digital Alarm Clock Set for Clock1 * USB Cable