This is a GNSS satellite positioning receiver from Qianxun SI. It has an oblate overall appearance, with a light gray top panel printed with the brand logo in blue and orange. The side edge is printed with the Qianxun SI brand name and logo, there is a circle of gray decorative trim in the middle, the lower part of the shell is bright yellow, and there are function buttons on the side. This type of equipment is often used in surveying and mapping, geographic information collection, engineering survey and other scenarios, and can provide high-precision positioning services.