RV 7-Way Trailer Connector: - 7-Blade, RV-style trailer connector for vehicle side. 7-Way connects to towing vehicle's wiring provides full function 7-way connection to power trailer's taillights, brake lights, turn signals, reverse lights, electric trailer brakes and auxiliary power (12V+ wire). Quick-install: - Prewired 7-way car end trailer wiring connector pigtail harness with butt connector for 7-wire RV standard color coded wire, could be directly hardwires into truck's existing wiring. Heavy Duty: - 7-way RV output socket equip with a tight-fitting spring loaded cover to keep terminals clean when not in use. trailer electrical adapter is made of rust-free black plastic, premium tin-plated copper terminals and equips black sealed tubing wire conduit, provides well-protection, great corrosion-resistance and conductivity. 180 degrees Lip: - 7 pin trailer connector socket opens 180° for easy connections. Voltage ranges: 6-24 Volts. Design for for commercial vehicles / trailers /