This is an excellent digital chess clock and the best chess clock for the money.<br><br><strong>Features:?</strong><br>Approximately 29 pre-programmed rules and 6 user-defined time controls， each timing rules can be arbitrarily set basic time and auxiliary parameters.?<br>Left and right sides can be set up respectively at different time and the basic steps auxiliary parameters and has gone.?<br>Support Fischer bonus mode and Bronstein delay mode.<br>Durable ABS casing.<br>Digital and accurate counting.<br>Easy to preset or revise timing rules.<br>Large LCD screen for easy to read.<br>Cheat sheet on the bottom， you don’t need to carry manual.<br>Key lock button to prevent switch off accidentally.<br>Suitable for chess/Chinese chess/go.<br><br><strong>Specification:</strong><br>Material: ABS<br>Color: Wine red<br>Battery: 2* AA Battery (not included)<br>N.W.: 260g / 9.22oz<br>Dimension: 19 * 11.9 * 4.2cm / 2.6 * 2.0 * 0.6in<br>Package Size: 17.6 * 10 * 3cm / 6.9 * 3.9 * 1.2in<br>Package Weight: 480g / 16.9oz<br><br><strong>Package List:?</strong><br>1 * Digital Chess Clock<br>1 * User Manual