Daikin is the world’s leading air conditioning manufacturer, and our products are sold in over 140 countries. Since the early 1930’s, we’ve come a long way in realizing a better environment and quality of life through providing air conditioning solutions.Unstable power supply is a common problem in many parts of the world. It is well known for causing overvoltage, which can seriously damage electronic devices. However, it also causes undervoltage, which can shut down your air conditioner just when you need it most.Daikin's printed circuit boards are specially strengthened to withstand voltage fluctuations. This allows them to operate across a wide range of voltages in areas with unstable power. Queen series units operate at 130 to 264 V and can withstand zero up to 440 V.Other available capacities: 0.8HP, 1HP, 1.5HP, 2HP, 2.5HP, and 3HP Withstands Low & High Voltages from 0 up to 440V Protects your investment Ensures the safety of electrical parts 1 year warranty for parts & labor 5 years warranty for compressor 3 YEARS PCB WARRANTY All split type air conditioner should be installed by the manufacturer’s (Daiki) authorized installer otherwise warranty is void. For warranty claims and/or service concerns, you may also call the brand's customer support and/or service center.