1. [Classic simulation style] - This chess timer is the perfect complement to any game or classroom game. It bears the Royal Chess logo and looks more formal. If you to make more competitive, then this clock is a good way to . chess clock timer2. [Easy to use] - This lightweight and portable chess clock is easy to operate, just click a button Press the button on the top to and stop the machine, you can freeze the two clocks by the buttons at an even level. Both clocks are easy to reset on the back, and each top button has a clip. chess clock analogue3. [High ] - This game timer has a clock that uses an electronic oscillator adjusted by a crystal to keep time. The frequency accuracy produced by the crystal oscillator makes the clock at least an order of magnitude more than the mechanical clock. The sturdy black plastic shell is in structure and can stand the test of time. chess clock digital4. [advantages] - The advantages of chess are huge. Children who participate in chess can their critical thinking, problem-solving skills, spatial awareness and social skills, which makes it an important supplement to any classroom or . chess clock fide, chess clock kids5. [Widely Used] - Suitable for Chess, Chess. No battery winding mechanism is required to that you can replace the battery without interrupting . chess clock timer colour:Blackmaterial:plasticsize:15x5.5x9cmPackage Contents:1 x Chess TimerOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.