12/24V DUAL USB 4.8A CHARGER. This product has reduced electronic interference, over temperature protection, conformal coated for the harsh marine environment and it has a protective cap that keeps debris and moisure out. Maximum output current - 4.8A DC(total). Input voltage - 9V-32V DC. Output voltage - 5V DC give or take 5%. Parasistic current draw - 1mA. Thermal overload protection - YES. Short circuit protection - YES. Reverse polarity protection - YES. USB - 2.0, Type A. Cut-out dimensions - 1.45" x 0.83" (37 x 21.1mm).