Chipset: Prolific PL2303HXD Compliant with USB specification, revision 1.1 Data transfer rate: 230Kb/s (max) Support 15KV DC ESD serial interface protection Product Color: Black Housing material: Plastic Connectors 1x USB 4-Port, Type-A, Male 1x 9-pin, D-Sub, RS-232, Serial port, Male Environmental conditions Operating temperature: 32 to 122 degrees F Storage temperature: 14 to 140 degrees F Relative humidity: 5 to 85% RH (non-condensing) Certifications/Standards FCC, CE, RoHS Requirements Desktop or notebook computer with an available USB type-A port Windows 10 (32-/64-bit) / 8 (32-/64-bit) / 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit) Windows Server 2012 / 2008 R2 / 2008 / 2003 (32-/64-bit) Package Contents 1-Port Industrial USB to RS-232 Serial Adapter Cable Driver CD Quick Start Guide Item Dimension ( L inchxW inchxH inch) 2 x 2 x 1 Weight 1.0 lb Warranty Information 2 years