Input: 100-240V 50-60Hz PK-Power products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specification OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) COMPATIBILITY: Please see full list of compatible models in the Product Description Our After Sale Service: Our friendly and reliable customer service will respond to you within 24 hours. PKPOWER 22V 455MA AC DC Adapter for Hp Deskjet Ink Advantage 1515 1516 2545 2546 All-in-One Printer 22VDC Power Supply Cord Charger PSU