Usage Tips: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. MECMO 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 / RVs / trucks / semi-trailers / cars / caravans, etc. Full Ready Kit: - Full ready kit easy to install, this vehicle end 7-pin trailer adapter includes mounting bracket, screws, and nuts. All-in-one set design convenience your wiring connection. Mounts within the universal mounting hole for added convenience. Slight difference/color difference does not affect the use Colour:Photo Color Material:plastic Package Contents: 1 set x 7 Way RV Trailer Light Connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.