Multiple Choice:Our radar detector power replacement cable has multiple sizes to choose from. Note: Only for charging, not for data transmission. Wide Compatible:It can power radar detectors with phone type jacks(DC3.5). Compatible with Cobra RAD 350 380 450 480i XRS9370 XRS955 XRS5300 XRS7700,Uniden DFR1 DFR3 DFR5 whistler Radenso Pro M and other DC3.5 Plug radar detectors. High Quality Copper Material:We use a diameter of 3.5mm thicker pure copper wire,effectively reduce the current loss, to ensure sufficient charging efficiency.The soft PVC shell can be freely bent, avoid winding, not easy to damage. Powerful Chip Support: Our factory has the ability to independently produce, and the R&D department combines unique chip encryption technology with USB to ensure stable activation of radar detectors with every use. Two Working Voltages:This radar detector power cable is compatible with two voltages(5V and 12V)and can successfully started the radar detector when connected to any USB A interface in the car.