Description: With waterproof cover, dust, waterproof effect. High current resistance, high temperature and wear resistance. black shell, white movement, blue light, plus fine workmanship, the whole product looks high-end atmosphere. 3.1A large current, can give mobile phones, flat, camera car vacuum cleaner and other vehicle supplies power supply. input voltage is DC12-24V universal voltage, can be installed to cars, motorcycles, SUV, boat, yacht and other means of transport. Specification: Material :ABS Plastic Input voltage: 12V-24V Output voltage: 5V Output current: 3.1A Output interface: USB Hole diameter: approx 30mm Package Includes: 1 Pieces Dual USB Power Supply Socket 2PiecesBlue terminals 2PiecesScrews