LED liquid crystal displays French DREAM sound source, 128 polyphony. Full mesh drum surface for a more acoustic feel. Dual-trigger support with side hit response and cymbal stop. 6 layers of force response layering to restore light and heavy impact 15 drum kits, 3 custom drum kits Number of tones 300 and GM standard tone library (for songs) 30 songs, adjustable GM volume and drum kit volume (for learning) Effect: Reverb Type 0-5, 2-band EQ Supports sensitivity parameter adjustment of each drum tray. Speed control: 30~250 beats/min. Metronome: 1 to 6 types 5 independent mixing consoles Other functions: real-time recording, parameter storage Connectors: USB MIDI, headphones, audio input, audio output Carton Size(cm):89.5*49.5*29.5 Weight(kg):23