The Basic Digital Chess Clock is our lowest priced, best value digital chess clock that is ideally suited for scholastic and beginner players. There's nothing complicated about this clock - it's easy to use and easy to read. It supports increments and time delay, as well as offers both count up and count down modes. The case is made from a durable plastic and has a sleek angled design that makes it easy to read. Available in 7 colors to match with any chess set and requires only one AA battery. Easy to program and use; The move indicator light, The button is lifted(the indicator light bright); Timer measurements: 5.4 x 3.4 x 1.8; Supports bonus/increment (Fischer) time up to 59 seconds per move.; Supports delay time up to 59 seconds per move.; Both count up and count down modes.; Time, bonus/increment (Fischer) and delay times can be set different for each side of the timer if desired.; Audible alarm (when time expires) can be turned on or off.; Requires 1 - AA battery (included);