Item Type: DB9 Male Female Connector Product Material: PCB Connector: DB9 For RS232 RS485 1DB9 MODEL: This is a pair of DB9 male and female adapter screw terminal block, provide great convenience for your life 2APPLICABLE FOR RS232, RS485: 9 pin 9 hole screw terminal block is suitable for RS232, RS485, works for excellent connection 3GOOD CONVERSION PERFORMANCE: Using selected good quality components, come with high conversion performance, smooth communication 4EXCELLENT PCB: Good quality PCB materials have reliability and miniaturization, good maintenance and interchangeability 5DURABLE USE: DB9 male female connector adapter come with stable structure, excellent performance and long service life 1 x Male Conversion Board 1 x Female Conversion Board Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.