PQ9907S Digital Chess Clock I-go Count Up Down Timer for Game Competition Main Features -PQ9907S Digital Chess Clock Available for Chinese Chess, International Chess and I-GO It is a presettable count up / countdown timer, maximum up to 10 hours With alarm when the match is over, you can open or close the alarm You can set up two different base time on both sides It will store the last setting when it power on Made of electronic components + ABS, environmentally friendly and durable Powered by 1 x AA battery ( not included ) Operation: a. period When the countdown time on right side was set, / pause / setting shortly to into sctting. b. Delay period When the right side time was set, / pause / setting shortly to into delay setting display. Model: PQ9907S Type: Entertainment,Novelty,Practical Material: ABS,Electronic Components Functions: Multi-functions Color: Wine red Package weight: 0.245 kg Product size (L x W x H): 13.00 x 9.00 x 4.00 cm / 5.12 x 3.54 x 1.57 inches Package size (L x W x H): 17.00 x 11.00 x 6.00 cm / 6.69 x 4.33 x 2.36 inches Package Contents: 1 x PQ9907S Digital Chess Clock Wei Chi Count Up Down Timer