Choose Your Pattern Pick from a menu of nine rhythm types and 24 beat variations, including combinations of odd-time signatures and clave patterns for practicing Latin rhythms. Who says practice has to be painful? Put some extra spice and groove into your next practice session with the DB-30! Extras The DB-30 adds value with its smooth-flowing LCD needle for visual tempo assistance, and two bright LED lights that visually assist your practice. Other helpful functions include Tap Tempo for finding the right pulse fast, internal reference tones (12 semitones), Auto Power Off for optimizing battery life, and headphones jack so you won’t miss a beat, even in noisy environments.