Features:<br> The RS232 of the laptop extension is converted to a serial interfaces through USB, making it efficient and convenient to connect to a printer<br> Supports RS232 serial interfaces, remote power management, and fully automatic serial communication handshake protocol<br> The stable signal transmission is built with professional chips, which provide more stable performances and strong compatibility<br> Using PVC environmentally friendly materials, insulation and flame retardant, the nickel plated joint is more durable and reliable for use<br> The interfaces is thickened with a nickel plating layer, which has the functions of corrosion resistance, acid and alkali resistance, high and low temperature resistance, and longer service life<br> Note: Please identify the interfaces and plug before purchasing. This product is an RS232 9-pin plug. Please identify the printer RS232 9-pin interfaces to avoid purchasing errors<br> <br> Specifications:<br> Item: USB to db9 RS232 Connector Cable<br> Material: PVC<br> Cable Length: approx 120cm/47.24in 200cm/78.74in 300cm/118.11in<br> <br> Note:<br> Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.<br> Please allow 0-1cm error due to the manual measurment.<br> <br> Package includes:<br> 1PC USB to db9 RS232 Connector Cable