Description:
Circuit board is made of FR - 4 glass fiber, tough and durable plate.
Reasonable circuit layout design.
Use your creativity, diy your LED clock!
Voltage: 5V-12V
PCB Size(Length x Height): 10cm x 5.2cm / 3.9" x 2"
Function: clock /alarm /countdown /stopwatch / counter
Package included:
5 x LED Electronic Clock DIY Kit
