Dakota Alert P Security Wiring Cable Security Wiring Cable, Black (P-50) Compatible with the following Dakota Alert products: 3000 and 2500 series; MURS and all hard-wired alarms The probe of this vehicle sensor detects metal objects, such as moving cars, in a ten to twelve foot radius of the sensor The probe and wire can easily be buried in turf with a shovel or a lawn edger. If the probe is to be buried in the middle of the drive