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. Stable Working Performance?The radar detector cable adopts a new chip encryption technology.When the cable is connected to the car charger, it can convert the voltage of the USB interface into the starting voltage of the radar detector,giving you all around protection wherever your go. Compatible?Radar Detectors power replacement cable suitable for Uniden R1/3/4/7/A1-R1/3/7/DFR8/9?Escort MAX 360?Passport 7500/8500/9500i/Max X80?Cobra DualPro 360?Radenso XP?Beltronics STI?Pro500?Vector?Beltronics GT-1?Express 795. DC 5V USB Input to 12V RJ-11 Output?Professional custom chips that boost up from 5v to 12v at USB A 2.0 ports for connect cigarette lighter, car chargers and more. It is very suitable to power your radar detector through the car's USB plug. Radar detector cable?Replacement the charging cable with RJ11 connector on the radar detector, USB to RJ11 plug charger power cable supply specially powered for 12V radar detectors.