I bought them a while ago and I never used them. Both lights has been tested and they work. It also comes with two studio clamps for hanging in the ceiling and a 13amp to 16amp adaptor.
Here's a website to prove the price. They are both official Arri Lights.
Any questions please do ask. The item "2 X 650 Watts Arri Studio Lights. Professional Lights And Official Arri" is in sale since Tuesday, April 04, 2017. This item is in the category "Cameras & Photography\Lighting & Studio\Continuous Lighting\Lighting Kits". The seller is "moduz_leonhart" and is located in cheltenham, Gloucestershire.
This item can be shipped to United Kingdom.