So I ordered the unit on Friday, Thursday was it then in a small unpadded shipping bag at, luckily without damage because the unit in a leather cover there is. Since this is my first Leitmeßgerät I can say I think it's great and easy and fast to use, but my big problem was the small pieces of paper was there, what should be a description / instructions well ...... all in the very common Allerweltssprache CHINESE ...... Well that's it with the first test of the device, I could not figure out what needs to pure battery type, let alone how they are appeal and since it is my first device of its kind, I also did not like it is applied. So here a smooth 0 star !!!!! Luckily, you can ask questions about the products here, so I had to unfortunately take because I was not really able to find on the World Wide Web. Once again many thanks to a user of this equipment, he wrote me a detailed answer that was super helpful and am now a satis dividend Licensees of this device