High-quality and durable DB9 Solderless RS232 D-SUB Serial to 9-pin Port Terminal Male Female Adapter Connector Breakout Board. High-quality joints, solder joints, plug-and-play connectivity, ensuring good contact for high quality, durability, and long service life. The housing is designed with a flip buckle for easy assembly and disassembly without tools. All signal ports are clearly named and labeled on both sides of the board for quick wiring. Suitable for various pin connections required for serial communication in industrial control products. Color: Black Material: Metal + Plastic Size: 465 x 345 x 21mm Package Contents: 2 x Male Connector, 2 x Female Connector Only the above package contents are included; other products are not. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.