Korg KDM-3 Digital Metronome Black

0 to 252 beats per minuteTempo adjustment optionPendulum mode / full step mode / TAP19 different time signatures available (0 to 9 beats): Duols, Triplets, Triplets without center beat, Quartols, Quartols without center beat, Son Clave (2-3) (3-2), Rumba Clave (2-3) (3-2)simple one-handed operationhigh-contrast displayIn Sound Out mode, you can tune in to hear a reference toneMemory backup function and auto power-off functionTempo Accuracy +/- 0.2%Headphone jack (3.5mm stereo mini jack)dynamic speakerOperation with four AAA batteries ((R03, Micro, 6 V included)Dimensions (W x D x H): 60 x 73 x 113 mmWeight (including batteries): 167 gColor: Black