Four Digital Clock Kit DIY Electronic Clock Kit

Four Digital Clock Kit DIY Electronic Clock Kit
Function:
Second correction (for precise timing)
Can be switched to minutes and seconds independent display interface
Chime (08:00-20:00 o'clock chime, can be turned off)
Two alarm settings (can be turned off)
Features:
Using 0.56 inch clock dedicated red LED for display
AT89C2051 as the main chip
Accurate working time, the error range for each 24 hours is -1 to + 1 second
Supply voltage: 3V-6V
PCB Dimensions: 52mm x 42mm (Length x wide)
Package included:
1 x Four Digit Clock Kit