It features various training modes: Beat counting mode, Mute counting mode, Gradual up/down mode, Step up/down mode, which provides effective training. Tempo range: 30~260bpm Beat: 0,1,2,3,4,5,6 Rhythm: Sound Volume: MUTE/LOW/MIDDLE/HIGH Training function: Beat Counting Mode T1= Mute Counting Mode T2= Gradual Up/Down Mode T3= Step Up/Down Mode Power: 3V(2xAAA) Dimensions: 155(W)x19(D)x174(H)mm Weight: 390g