12 Volt Power Supply - 3.5 Amp Standard (12V 3.5A DC) Adapter World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright New Global 12 Volt Power Supply 3.5 Amp Standard (12V 3.5A - 4A DC) AC Adapter 12VDC 3.5Amp 42 Watts 42W - 50W Power Cord Cable Charger PSU Connector Size: 5.5mm (Outside barrel) x 2.5mm (Inside Barrel). Center: Positive