Diamond Antenna K9000 Motor Drive Ham Radio Antenna Mount w/. The voltage for our electronic item is 100VActually the item can be used in the United States, but we recommend using a transformer for safe use over a long period of time. If you use this item in countries where the voltage is more than 100V such as 200-240V, the item will be damaged unless you use a proper transformer.Manuals and instructions are basically Japanese only. Also we can't declare any lower value on custom invoice. This item is in the category "Consumer Electronics\Radio Communication\Antennas\Ham, Amateur Radio Antennas". The seller is "trh-universe" and is located in this country: JP. This item can be shipped worldwide.