Unmanned aircraft is abbreviated as "unmanned aerial vehicle" and abbreviated as "UAV" in English. It is an unmanned aircraft operated by radio remote control equipment and self-provided program control devices, or it is completely or intermittently operated by an onboard computer. SANWIN provides waterproof switches, waterproof DC-JACK connectors, and waterproof USB connectors, which perfectly solve the strict requirements of outdoor operation and flight of drones.