The item arrived with damaged packaging and part was sticking out through a slot in the packaging. I took photos so I can explain if there is a problem. This was not necessary as the launch vehicle was not damaged. The installation went as expected and so far the device is working perfectly. The principal amount was pretty vague - I had to fill out all paperwork in full to find out if it was worth sending back. I can't take care of it as the core is in very bad shape. Otherwise this company makes a good product --- would recommend them.