Package contains:
1x USB to RS485 converter

This USB to RS485 adapter easily lets you connect any RS485 digital devices ( such as cash register, printer) directly to your computer or laptop USB port.

USB 2.0 to RS485 Converter and all kinds of 485 interface docking, transmission distance up to 1000 meters.

Mainchip: CH340 chip ,Industrial chip, high quality, super stable. The Lead PINS include: A +, B-, GND ,GND,5V0.

TVS Anti-lightning, anti-static, anti-surge protection.

Works with all Windows systems and OS system, such as, Windows 10, Windows 8, Windows 7, Windows XP, Vista, Mac.