Radar Detector Pass-Through Power Cord can power a 12V Radar Detector with a phone-type jack. (This replacement power cord has no alarm function or mute button. It is intended to be used to power radar detectors only.) | Car radar detector power cord is coiled to prevent clutter, is extremely flexible and light, easy to apply and carry. It can be stretched, extreme stretch to 1.5 meters, and normal stretch to 1 meter. | A replaceable 5 amp fuse is built in to protect the car, and the cigarette lighter plug with LED light indicates whether you are working, rugged, and safe to use. | Using high-quality PVC injection molding shell, with wear resistance, light weight, good flexibility, high temperature resistance, corrosion resistance and other functions, small size is easy to carry and use | For most radar detectors with RJ-11 jacks, please confirm the specification and plug size before purchasing!