MyVolts 12V power supply adaptor compatible with HP 2511x Monitor - US plug This 12V high-quality power supply adapter serves as a replacement PSU for the HP 2511x Monitor. The adaptor features overvoltage, overcurrent and short circuit protection to protect it from damage. Package Includes: - 12V power supply adaptor, - US figure of 8 power cord; Please note: this is suitable for the HP 2511x requiring 12V only. Please check the power input on your device before you purchase. If you're not sure, ask Digidave and we'll advise. This is a fixed voltage 12V power supply adaptor designed to meet exactly the power specification of your device. Lifetime warranty - this power supply comes with a warranty covering up to the lifetime of your device, or 10 years - whichever is greater. Energy efficient - this power supply is Energy Star level 5 approved, guaranteeing more efficient delivery of power to your devices, at less cost to you.