This is a 5V fixed-voltage MyVolts-branded power supply adaptor designed to meet exactly the power specification of your IK Multimedia UNO Synth Pro Keyboard. Specifications: - Output voltage is 5V - Max. output amperage is correct for your device - Output tip is the right size and specification - we've tested it thoroughly - 3 pin plug for use with UK and Ireland wall sockets - Input voltage is AC100-240V, 50/60Hz In addition, this myVolts-branded replacement power supply for IK Multimedia UNO Synth Pro Keyboard is: - Compliant with all safety standards, and features overvoltage, overcurrent and short-circuit protection to protect your device from damage - RoHS and CE-certified - Energy Star level 6 approved, guaranteeing more efficient delivery of power to your devices, at less cost to you - Covered by a 2 years' warranty: if the power supply fails within 2 years from the date of purchase, we'll replace it, no worries