High quality No need for external power, powered by USB port Fully compliant with USB 2.0 standard, backward compatible with USB 1.1 Supports Windows XP, Vista, Windows 7, Linux, MacOS, and WinCE 5.0 Suitable for RS485 port device parameter settings and data communication USB to RS485 converter adapter USB connector: connects to PC RS485 connector: connects to RS485 device Supports baud rate range: 75115200 bps, up to 6 Mbps Operating temperature range: -40C to +85C Communication distance: up to 1200 meters Dimensions: 6.1 x 1.6 x 1.3 cm Black color Ideal for short-distance applications such as computer peripheral equipment configuration using standard data lines Enables centralized control of household electrical appliances Applicable in access control systems, card readers Used in industrial automation, appliance control Parking systems, bus fare collection Canteen systems, employee attendance tracking Road stations, ATMs Package Contents: 1 x USB to RS485 Converter Note: The package includes only the items listed above. Other products are not included. Note: Lighting and monitor differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 13 cm.