Motorola Original PMLN7269 2-Wire Surveillance Kit with Quick Disconnect Black - Compatible with XPR3300 and XPR3500 Series Compatible with MOTOTRBO XPR 3000e series, XPR 3300, XPR 3500 radios This two wire surveillance kit includes an In-line microphone and push-to-talk combined on a single wire to make communication more covert for security personnel. Clear, comfortable transparent tube with coiled cord and rubber eartip offer greater comfort for extended use.