Permanently connect directly to your battery and use of high-power appliances, thereby protecting the car cigarette lighter. 14 AWG(14 awg,2.08mm2>16 awg,1.31mm2) extension cable lengthened up to 6ft / 1.8m,The size of the hole in the ring terminal: 0.25 inch / 6.3mm, Eyelet Terminal Used for 5mm or 6mm inverter studs. Manufactured to power 12 volt and 24 volt appliances. External 20Amp fuse protection make sure the safety in case of short circuit and prevent damage to devices from high surge current. And will get one more extra 20 Ann and 25 Ann fuse as a backup. Warranty:Will provide with 12-months Warranty from the date of its purchase. Package Contents: 1xSCCKE Adapter Plug Socket,1x 20Amp fuse,1 x 25 Amp fuse Product Description Product Information: Package: 4.7??3.3??2inch (120??83??50mm) Item Weight:1.9oz/56g Net Weight: 3.0oz (85g)