This digital Kalimba tuner will make tuning your instrument very quick and easy, and accurately. Features: 90 degree clamp clips right on to your Kalimba.Padded clasp will not damage your instrument.Changes color – blue is out-of-tune, green is in-tune.Indicates whether you need to tune higher or lower for each note, and how close you are.Easy to use and packs up neatly for super portability.Takes 1 x CR2032 battery (not included)