FENLDY Countdown Mechanical Chess Clock Timer Game Analog, Professional Digital and Analogue Clock Practice Kit Portable International Chess Count Up Down Competition Game Seconds Timer (Black)

Features

• 1. Material: plastic Shell, copper-zinc alloy movement
• 2. No Battery Required, driven by clockwork
• 3. Applicable: chess, Chinese chess and I-GO
• 4. Size: About 5.9''x2.2''x3.5''
• 5. Instructions: Press the left button, left clock stops, right clock starts. Press the right button, right clock stops, left clock starts. Press at the same time and both clocks stop.