Compact Advanced Digital Chess Clock 37 pre-programmed modes -- each customizeable. Convenient memory holds the last settings after power cycle Quiet - no alarm (great for classrooms/tournaments) All standard USCF modes: 40/2, G/60, and more -- all aspects customizeable including the delay, move count, sudden death, bonus, etc. Dimensions: 6.5" x 3.75" x 2.5"