Features: Very easy to program menus. Very precise clock. The clock can be used for almost all competitive two-player board games such as Scrabble, Shogi, and Go. Low power consumption. Very strong plastic casing to protect your clock. Cost-effective price. Batteries not included With timing, timing, and delay for each reward every 4 clock rules. Left and right sides can set different basic time and help parameters. During the game, you can adjust timing parameters for each other. Turn off and restart to retain the final use of rules before shutdown parameters. Description: They are very easy to program and use. Our clocks use modern LED technology with eye-catching colors. These clocks were designed and constructed by passionate chess players, but the clocks can be used for almost all competitive two-player board games. Specifications: Material: Plastic Clock Type: Digital Positive timing, max 10 hours Adjustable countdown timer, max 10 hours Alarm function. Battery Type: 1 x AA battery (1.5V) Package includes: 1 X Schackur