It moves when shaken. I don't know about its accuracy. One of the breaths is detached. Please judge the condition from the photos. Sorting through my grandparents' belongings. There are many items, so I am listing them little by little over time. They are mainly my grandfather's belongings, who had many hobbies, so I do not have specialized knowledge. It is difficult for me to answer questions. I will consider lowering prices from older items once I have listed a certain amount. Ships via Yu-Packet Post Mini.