you can open the back cover for calibration
Sensory Distance: 2m
Working Temperature :0-60C | 32~140F Applicable Tube Pu / Pa / Pe / Pvc
Pre installed in 20mm series aluminum profile
Advantus Corp
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;