Our AC port plug adapter integrates power input with waterproof power socket functionality, with 16-inch integrated outdoor extension cords for exceptional installation convenience and usage flexibility. The product adopts a plug-and-play design, compatible with all standard extension cords without the need for cable modification or manual wiring. Equipped with reinforced rubber waterproof cover, it effectively protects against rain, snow, and foreign object intrusion. The use of Grade 316 rust-resistant screws ensures excellent temperature tolerance (-40°C to 105°C) and anti-loosening performance. Specifically designed for vehicle battery charging ports, engine preheating devices, and outdoor power supply interfaces, it significantly enhances power access convenience in various scenarios. Technical specifications: 15A/125V, rated power (14AWG wire gauge), fully compatible with Type-B plug extension cords. ETL safety certified for automotive, marine, truck, trailer, pickup, RV, industrial, and electrical applications.