Tripp Lite’s portable TRAVELER3USB Surge Protector offers complete surge suppression for cell phones, MP3 players, smartphones, tablets, laptops, electronic notepads, personal organizers and other portable electronic devices. Compact and portable, the model comes with an 18-inch concealable cord allowing for compact storage in small luggage or briefcases. It neatly fits into laptop travel cases without scratching expensive electronics. With the addition of two USB charging ports for a total of 2.1A of total charging power, the TRAVELER3USB allows road warriors the ability to charge mobile devices more easily. TRAVELER3USB offers three AC outlets with one widely spaced outlet to accommodate a transformer. Number of Outlets: 3 2 USB Joules Of Surge Protection: 1050 J Protection Type: Power Connected Equipment Guarantee/Warranty: 25,000 Lifetime.