JS-240 Chess clock 

JS-2401. Total 49 timing rules for Chess, Chinese Chess and I-Go.   Each game with multiple timing rules, Suitable for    the different Competition System, including all universal   timing standards2. Playing time, Moves and game round are settable, and   can be modified during pause and end.3. Automatically memorize the parameters setting4. Manual setting rules additional5.View timing parameters for the current rule6.Sound alerts; voice read Byo yomi in Chinese for I-Go on/off function.7. Light reminder8.Timing key tone on/off function9. Low battery indication10.Concealed ON/OFF button11. Upscale gift box packingsize:169×96.7×63.5 mm