EVANS Hybrid opens up a new universe of sounds by offering cutting edge technology to drummers This expansion pack contains one drum sensor, one TRS cable and four pickup elements Sensory Percussion drum sensors are designed to work on almost any snare, tom, or kick drum, connecting to the interface with the included 1/8” TRS cables for hassle free cable management. Up to 7 can be used simultaneously with the EVANS Hybrid Portal Audio Interface as part of the Sensory Percussion Sound System WARNING: This product can expose you to chemicals, including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.