The mosquito repellent uses tough polygonal cutting lines to break the closure of the product. The bottom bracket adopts a mechanical arm structure, which forms a stable triangular support when unfolded, and is suitable for multiple scenes such as field insertion and desktop placement. The texture and scale of the top adjustment knob ensure accurate anti-skid feedback during operation. Information such as electricity quantity and working mode are integrated into the geometric section of the fuselage to avoid damaging the overall shape and realize state visualization at the same time.