Plastic gold-plated plug, contact, improved transmission performance and 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 Compatible with 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 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: The color may vary slightly due to lighting and display settings. Measurement error allowed is +/- 1-3cm.