The ZMF-II digital chess clock is designed with a low profile and a bright LED display on an angled face to make it easy to see while playing. Large stainless steel touch sensor buttons make it easy and fast to reach out and terminate your move. The case is made from durable plastic and has anti-slide rubber feet to keep it in place even during a blitz game. The ZMF-II is easy to learn and easy to use and features three customizable presets including: *Simple blitz or single time controls *Programmable 2 or 3 time control tournament modes *Move counter option *Delays and increments (Fischer and Bronstein) *Plus an array of extra timing modes for scrabble, shogi and go (byoyomi), hourglass, and unique dual count You can turn the sound and lights on or off depending on your playing preference. Designed for low power consumption the ZMF-II will deliver 1600 hours of use in normal conditions compared to half that with other chess clocks. A great clock and tremendous value for schools, clubs, and tournaments. Case Dimensions: 7" x 3.5" x 2.125" LED Display: 2" x .75" Requires 4 C Batteries (not included)