SUNSKY LEAP PQ9907S Chess Clock International Chess Go Clock PQ9907S

With 4 timing rules such as positive timing, countdown timing, bonus per step, delay per step

Different basic time and auxiliary parameters can be set on the left and right side

The timing parameters of both sides can be modified during the race

Power on again after shutdown (non-power off), keep the rule parameters used before shutdown

Can be set to mute or alarm tips