The QuantumZERO Desktop Charging Station provides easy and simultaneous access to USB and AC power. Forget your individual devices' specific chargers. Simply rely on this desktop charging station. Wall power, right on your desktop AC (100-240V) or DC (5V, USB) power now you don't have to access from wall. The wall power is extended right on to your desktop or possibly at your arm's length. Consolidate all your wall charging needs. Laptops, cell phones, tablets, camera, MP3 players or any AC (100-240V) or DC (5V) USB input device. Perhaps this is a common charger for your entire family. QuantumZERO QZ-WC04 Desktop Charging Station DC power - USB ports - are built with advanced SmartQ technology. You do not need to worry about which port (which Ampere A) to chose from. Indifferently chose any port. Each charging port can smartly identify the device connected and its input Amphere requirement. Discharges the optimum Amphere A as needed by the device and choses the best charging mechanism to charge the device at maximum speed possible. QZ-WC04 offers over-current surge protection on AC power strip. It shuts off if attached AC devices pull too much power, thereby protecting the devices. Easy charging accessibility for all at once, at one place. We know you got multiple mobile devices, need easy charging accessibility for all at once, at one place. No short of outlets, no 'device in waiting for charge' or no vigil-keeping on charging at various places. QZ-WC04 USB outlets are packed with massive 34W power, 6.8A to share, enough to fill-in charge to 4 mobile devices simultaneously. Greater care at every detail! Universal AC power outlets: Enjoy the great flexibility to suit variety of AC adapter pin standards - types A through L (UK, EU, DE, FR, ES, IT). Soft cool blue LED to indicates power. Specifications: Charger IC: UC2635. Input: AC 100-240V. Output USB: 34W, 5V, 6.8A (total). Maximum Current per USB Port: 2.4A. Output AC: 100-240V at 50/60Hz.