MULTIPLE CONNECTOR REPLACEMENT: DC jack size 5.5x2.1mm, gift connector: general LED interface, 2.5*0.7mm, 3.0*1.1mm, 3.5*1.35mm, 4.0*1.35mm, 4.0*1.7mm, 4.8* 1.7mm, 5.5*2.5mm, a variety of sizes for you to choose, a good choice. DURABLE AND SAFE: Use high-quality cables and 12v DC car charger cables with LED interfaces. In order to avoid charging failures, the fuse will automatically blow, and the fuse can be replaced, and it can be used repeatedly. GENERAL PURPOSE: suitable for household appliances, electronic products, cameras, closed-circuit televisions, strip lights, cars, trucks, buses, trucks, car refrigerators, portable electric refrigerators/warmers, car cleaners, air compressors, LED lighters, computers Telescope, heating cup, car navigation system NOTE: Before purchasing, please confirm whether the dc jack size meets your needs to avoid purchasing errors. PRODUCT PARAMETERS: output: 12V4A, the output current is more than 4A can not be used normally, please confirm whethe