Dimensions: 61 x 118 x 25 mm (W x D x H) Weight: 90 g Electrical power supply: AAA Battery x 2 (3V) Features: LCD display with back light Features: Auto Power Off Features: Metronome tempo 35-250 bpm Features: 6 Rhythm patterns Features: 2 different click tones Features: Tap-Tempo Features: Large Tempo dial and Start/Stop switch Features: Clip holder TAMA's Rhythm Watch Mini "RW30"is a brand new, compact version of our renowned Rhythm Watch. With its reduced size and weight, it is easy to bring along wherever it is needed. It also features a handy clip on the back of the body which can be easily attached to various surfaces, such as a music stand, hi hat stand, etc.