1. Six layers of force are adopted. 2. Supports 5 drums and 4 cymbals,Kick,Snare,Tom1-3,Crash1-2,Ride,Hi-Hat Control Pedal.Snare,Crash1-2 and Ride supports Dual-trigger with side hit response. 3. 15 drum kits, 1 custom drum kits,Number of tones 225. 4. 10 songs,Turn on/off ACC volume and drum volume. 5. Effect: Reverb Type 0-8, Reverb depth adjustment,2-band EQ. 6. Supports sensitivity parameter adjustment of each drum tray. 7. Speed control: 30~250 beats/min. 8. Metronome: 1 to 4 types,1ï½?9 beats 9. Other functions: parameter storage,reset 10. LCD display 11. Connectors: USB MIDI, headphones, audio input, audio output,extension Crash2 12.Carton Size(cm):89.5*49.5*29.5 13.Weight(kg):27