GENERIC CAR Coiled Power Cord Replacement for K40 RD850, RD-850 RADAR DETECTOR THIS ITEM IS SOLD AND SHIPPED BY DCPOWER Fuse Protection and LED Light Indicator Input: 12V. Output: 12V DC THIS GENERIC CAR DC POWER CORD IS USED TO POWER UP THE RADAR DETECTOR ONLY -- THERE IS NO ON/OFF BUTTON OR USB CHARGER