The Chess Armory Digital Chess Clock is a portable timer designed for chess enthusiasts aged 6 years and up. This modern clock features a square shape in black color, with a digital display for easy timekeeping. It is battery powered and has automatic watch movement, making it convenient for use during tournaments or casual games. The special feature of bonus time adds an extra element to the game, encouraging strategic play. With dimensions of 4"W x 2.5"H and weighing 8.8 ounces, this standard edition clock from Chess Armory is a must-have for any chess player.