The Automotive Cigarette Lighter Socket Test Adapter from Silvertronic enables users to perform a quick check of a vehicle’s power source. A proper check is important so that a reliable result can be obtained without tripping the fuse in the vehicle. By inserting the adapter into a power port, the built-in LED quickly indicates if the port is in order or if a defect is present. The durable molded design coupled with an LED indicator will provide many years of uninterrupted service.