Usage Tips:Feature: 1. Chess Clock: Professional digital timer with count up / countdown timer, maximum up to 10 hours. 2. A look for wooden chess timers. Suitable for Chinese Chess, Chess, I-GO and other two-player board games. 3. Chess timer is made of electronic components, plastic case and water transfer process, the plastic case is coated with a film of wood grain, environmentally friendly and durable. 4. Alarm sounds when time runs out. Alarm can be turned on/off; powered by 1 AA battery (battery not included). 5. Features bouns and delay functions, easy to set, lightweight, and memorised settings. Specification: Specifications: Model: PQ9907 Material: ABS Color: Wood grain color Display: LCD Power Supply: 1 * AA battery (NOT included) Package Weight: 257g / 9.06oz Package Size: 17.2 * 10.3 * 5.9cm / 6.77 * 4.05 * 2.32in Package List: Package List: 1 * Chess Clock 1 * User Manual (English)