Comprehensive Functionality: With a wide range of functions, this colorful digital clock electronic kit is versatile and can be used in various settings. It covers multiple requirements and provides comprehensive solutions for different tasks. Colorful digital clock, using STC microcontroller, with time display, PM24 Hour/12 hour switching, temperature display, three sets of alarms, intelligent dimming, day period display, week display, three sets of alarms, and power-off memory function. DIY kit components need to be welded by oneself Safe and Reliable: Safety is a top priority with this DIY electronic clock kit. It has undergone rigorous testing and meets safety standards, providing peace of mind during use. Product Name: Colorful Digital Clock Kit Product Model: TJ-56-662 Working voltage: DC5V (5.5mm DC interface) PCB board: FR-4 fiberglass board Colour:As Shown Material:PCB Package Contents: 1pack x electronic clock kit 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.