The Zmart Pro Digital Chess Clock was designed and engineered for the serious chess player looking for the ultimate chess clock. It features a large, high contrast LCD that is easy to see and read. It has a low-profile design for maximum stability, touch sensor technology for unmatched durability, and a rugged metal case that can withstand fast and furious play. It's the ideal chess clock for nearly any two-player board game including Scrabble, Shogi, and Go. Powered by three AA batteries (included), the low power consumption will allow up to 900 hours of use between changing batteries.Chess Clock Features: Stainless steel touch sensing buttons.; Easy to program menus.; Delay, Increment, Hourglass, and Scrabble programmable between 1 and 40 minutes (New Feature) timing modes.; Delay can be displayed in three different modes.; Programmable tournament modes with and without move counter.; Three-time controls available.; Double click option prevents clock to be reset when it is paused.; Three different preset settings/modes can be kept in memory at all times.; Highly accurate clock (New electronics added).; Sound and LED indicators can be turned off.; Clock can be used for nearly every competitive two-player board game like Scrabble, Shogi, and Go.; Low power consumption. Batteries should provide power for more than 900 hours of use under normal conditions (compare to 600 hours of use that other clocks offer). Alkaline batteries should be used for better results.; Strong painted metal enclosure to protect your clock.; 3 AA batteries included.;