Motorola 12 Volt 2.5 Amp Universal AC Adapter Standard DC Power Supply LCD (12V 2.5A) Input: 100/240 volts AC. 50-60 Hz 0.8A Output: 2.5 Amp 12 volts DC Model: NU30-4120250-13 Connector Size: 5.5mm (Outside barrel) x 2.5mm (Inside Barrel)