5-LEAD HOLTER PATIENT CABLE for A.I.R., MTM, PC Scientific, Rozinn. Safety (DIN). Compatible with A.I.R. 3000 holter 2-channel, MTM 2-channel holter Cable, PC Scientific 2-channel holter Cable, Rozinn Electonics 151 2-channel 5-lead. 30 inches in length. Lead wire set sold separately. Uses #20900-24-5A Safety lead wire set (.060) socket to snap, white, green, brown, red, black.