Plastic case with teak finish bright blue Color. Traditional metronome with audible click. Swinging pendulum helps give a visual sense of tempo. Tempo Range of 40 - 208 beats per minute. Wind Up Mechanism, no batteries required. Dimensions: 100mm (width) x 203mm (height) x 117mm (depth). Also available in Black, Green, Pink, Yellow, Red and Purple. ZAZ Enterprise Inc