NOTES： 1. When not using the telescope, please store it in a dry place 2. After each use, please dry the water on the telescope lens before storing. Because the telescope lens is easy to fall off and moldy prisms after being soaked for a long time 4. We have been committed to providing customers with better product experience and services. Each of our products has been rigorously tested and loved, because we believe that our customers deserve the best. If you have any questions after receiving the product, please feel free to let us know