t40gb chromatic tuner(metronome 3in1) rhythm/settle the three unites as one (the intelligence tuner) twelve average move/automatic chromatic: 27.5hz - 1760hz pitch shift: 436hz 438hz 440hz 442hz 444hz indicator: lcd dc power: dc 3v ( battery aaa*2 ) dimension: 102mm*68mm*17mm weight: 70g tuning error: less than 1cent
