Compact clip tuner with colour changing backlit virtual needle display and internal rechargeable battery. Simple 1-button operation switches power on/off and selects from Chromatic, Guitar, Bass, and Ukulele modes.Battery[tab]Li-ion rechargeable 90mAh[br]Modes[tab]Chromatic, Guitar, Bass, Ukulele[br]Tuning range[tab]A0 (27.5Hz) - C8 (4.186kHz)[br]A4 frequency[tab]440Hz (fixed)[br]Accuracy[tab]±1 cent[br]Battery life[tab]270 mins[br]Dimensions[tab]54 x 39 x 30mm[br]Weight[tab]22g