Connect between an inlet and a power source to provide power to your RVExtra wide grip handles, LED indicator lights and outdoor use hard-service cable for quality and durability. Molded ends for watertight connection between cord and electrical contacts. Locking ring creates a watertight seal between adapter and inlet. Power indicator light shows that power is flowing through the power cord | Marinco 25 30 Amp Detachable Power Cord with Handle & Indicator Light