YS-902 3-in-1 Multipurpose Portable Professional Chess Clock Digital Chess Timer Game Timer

Description: Name: chess clock Functions: Basic: Set the basic time; Bonus: Set basic time and bonus time; Delay: Set basic time, second reading time, and time. Positive timing: Set the base time of the entire distribution system to 0; Material: ABS; Color: Black; Battery: 2 x AAA battery (not included); Screen size: 103 x 23mm/4.06 x 0.91in; Item size: 140 x 88 x 45mm/5.51 x 3.46 x 1.77 inches; Item weight: 105g /3.70 oz; Package size: 150 x 100 x 50mm/5.91 x 3.94 x 1.97 inches; Packing weight: 157g /5.54 oz; Packing list: 1 x chess clock, 1 x instruction manual, 1 x packaging box