USB to Serial RS232 Cable DB9 Male RS232 to USB Converter USB to Serial Adapter Features: Converts the RS232 serial interface of a laptop via USB, enabling efficient and convenient connection to compatible devices such as printers Supports RS232 serial interfaces, remote power management, and fully automatic serial communication handshake protocol Built with professional-grade chips for stable signal transmission, improved performance, and strong compatibility Constructed with PVC materials for insulation and flame resistance; nickel-plated connectors enhance durability and reliability Interfaces feature a thickened nickel plating layer, providing resistance to corrosion, acid, alkali, high and low temperatures, and extended service life Note: Please verify the interface and plug type before purchase. This product features a 9-pin RS232 plug. Confirm compatibility with your device to avoid errors Specifications: Item: USB to DB9 RS232 Connector Cable Material: PVC Cable Length: approximately 120cm / 47.24in, 200cm / 78.74in, 300cm / 118.11in Note: Due to lighting effects and shooting angles, slight color variations may occur A 0–1cm measurement deviation may exist due to manual measurement Package Includes: 1 x USB to DB9 RS232 Connector Cable