Tripp Lite's portable TRAVELER3USB surge suppressor offers complete surge suppression for laptops, electronic notepads, personal organizers and other portable electronic devices. Compact and portable, it neatly fits into laptop travel cases. Concealable cord allows for ease of storage without scratching expensive electronics. With the addition of 2 USB Charging Ports, the TRAVELER3USB allows Road Warriors the ability to charge cell phone, MP3 Players and other portable devices more easily. TRAVELER3USB offers 3 total outlets which can accommodate a transformer, 2 USB Charging Ports and a diagnostic LED to warn of wiring problems and suppressor damage. $25,000 Ultimate Lifetime Insurance (USA & Canada Only). PLUG/OUTLETS: Input: NEMA5-15P/Output: 3 NEMA5-15R ELECTRICAL: 120V AC, 50/60Hz, 15A (Requires NEMA5-15R wall receptacle) FORMAT: Corded mobile surge with 1 transformer access SUPPRESSION: AC: 540 joules 540 joules AC surge suppression shields equipment from the strongest surges and line noise 3 AC outlets with room for 1 transformer plug without blocking outlets. 2 USB Charging Ports for Cell phones, MP3 Players and more Portable housing with concealable cord allow for ease of mobility and travel in briefcases Diagnostic LED confirm outlet surge suppression status Lifetime warranty with $25,000 Ultimate Lifetime Insurance (USA & Canada Only) Applications Ideal for use with laptops, electronic notepads, personal organizers and other portable electronic devices. Package Includes TRAVELER3USB Surge Suppressor Mini USB Cable