USB to Serial Adapter, BENFEI USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above, 1.8M auspowers_batchfour you can open the back

you can open the back cover for calibration

cut the length you need and then stick down either the hook tape or loop tape VERTICALLY

A2LA accredited laboratory against equipment whose calibration is traceable to NIST

63in - Operation Type: Reset

USB to Serial Adapter, BENFEI USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above, 1.8M auspowers_batchfour you can open the backUSB to Serial Adapter, BENFEI USB to RS 232 Male (9 pin) DB9 Serial Cable, Prolific Chipset, Windows 11 10 8. 1 8 7, Mac OS X 10. 6 and Above, 1. 8M Product Features HOW IT WORKS: BENFEI USB to RS232 DB9 Male Serial Adapter is designed for connecting to serial devices such as DB9 equipped serial modems, ISDN Terminal Adapters, digital cameras, label writers, palm PCs, barcode scanners, PDAs etc through USB port with 1Mbps data transfer rate;