Meco 5v-12v At89c2051 Multifunction Six Digital Led Diy Electronic Clock Kit

5V-12V AT89C2051 Multi Function Six Digital LED DIY Electronic Clock Kit 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: 1 x LED Electronic Clock DIY Kit