Nivia DG-566 Chess Clock: Game Timer The Only Quality Digital Chess Clock

Description :

Tournament Time, Adding Time & Rule are presettable
ON/OFF for key-perssing sound
Display of rest time, Time Rule & Adding Time Rule
Move Counting & Time Interval
Jumbo LCD Display
Japanese CMOS
2pcs 1.5 R14 Batteries
Battery Saving Function: Screw can be fixed to avoid battery falling down during operation.