The Yamaha DTX400K Electronic Drum Kit is a 15-piece unit including a snare drum, hi-hat, kick drum, and pedals. It features 4 pads,2 cymbals, built-in effects, and programmable options. Made of plastic and metal, it is lightweight and suitable for beginners. The kit includes bass and snare hi-hat triggers for a realistic drumming experience. It has various input/output ports such as USB and 6.35mm (1/4") TRS/TS In. Also included: Yamaha PCY 135 Hi-Hat cymbal pad trigger Goedrum CHC-Y electronic hi-hat controller Millenium PMS 500/750 mesh head Snare Millenium Edrum kick bass pad Mapex H500 Hi-hat stand Mapex bass pedal