Plastic gold-plated plug, contact, improved transmission performance, enhanced signal stability High-quality DB9 solderless RS232 D-SUB serial 9-pin male and female adapter connector breakout board All signal ports are clearly labeled on both sides of the board for easy wiring Connects various serial devices such as computers, digital cameras, PDAs, modems, set-top boxes, industrial instruments, and other communication equipment Ideal for applications requiring serial communication and pin connections in industrial control systems Size: 48x34x20mm Material: Engineering plastic + metal Color: Black Package includes: 1 x DB9 Female Solderless Connector 1 x DB9 Male Solderless Connector Note: Lighting and display differences may cause slight variations in color. Measurement may vary by +/- 1-3cm