RKN4136 - Ignition Sense Cable
Motorola RKN4136 - If you're a mobile two way radio user, this is a vital accessory for your needs. This ignition sense cable, which connects your vehicle battery to your mobile radio, senses when your vehicle is not in use, and turns off your mobile two way radio to save battery power. Don't deal with drained batteries again with this accessory. Compatible with DGM4100, DGM5000 series, DGM6100, DGM8000 series, XPR4000 series and XPR5000 series of two way radios from Motorola.