• Base panel with 4 holes, ideal for cars, trucks, caravans, SUVs, and boats. • Includes a female USB connector with 2 ports of 2.1 A each, totaling 4.2 A. • Voltmeter with a measurement range of 0-24 V, for precise voltage monitoring. • 12 V power outlet, suitable for cigarette use (not for lighting them). • Easy installation and comfortable use, designed for a wide range of vehicles. • Package contents: four-hole panel base, dual USB socket, LED voltmeter, power outlet, on/off switch, 9 insulated terminals, and 4 screws. • Panel dimensions: approximately 10.5 x 8.7 x 0.5 cm (Length x Width x Height). • Package weight: 120 g.