DIY Digital Clock Kit with Circuit Diagram - HH:MM:SS Display for Electronics Hobbyists & STEM Learning - Perfect for School Projects, Home Decor & Gift Ideas

Product Description

• Assembled Digital Clock with HH : MM : SS Display
• Includes a circuit diagram for understanding how the clock works
• To set up the clock, use a small Phillips screwdriver to open the terminal block and insert the red wire to the "+" side and the black wire to the "–" side, then tighten the screws to secure the wires in place.
• Requires one 9V battery for operation. One CR2032 button cell battery can also be used as a backup to save the time when replacing the main battery. Batteries not included.