The first timekeeper designed specifically for the band's timekeeper, TAMA's Rhythm Watch has everything a drummer needs to make sure they stay on tempo-live and in the studio. Like the original Rhythm Watch, the RW200 features plenty of volume to use while playing real drums, a dial for quick tempo adjustments, separate volumes for quarter notes, eighths and triplets, but now features a large, easy to read backlit display, a more durable housing and keypad, and even more memory for pattern storage. Features The first timekeeper designed specifically for the band's timekeeper, TAMA's Rhythm Watch has everything a drummer needs to make sure they stay on tempo-live and in the studio. Like the original Rhythm Watch, the RW200 features plenty of volume to use while playing real drums, a dial for quick tempo adjustments, separate volumes for quarter notes, eighths and triplets, but now features a large, easy to read backlit display, a more durable housing and keypad, and even more memory for pattern storage. Notes Tempo & Beat Memory: 30 songs Beat: 0-9 Display: LCD display with BACK LIGHT Size: 127x35x150mm (5"x1.4"x 6") Weight: 285g including battery Power Supply: 9V Battery (S-006P) or DC9V 200mA adapter