The WCS 3900 Bar Code Readers isthe most popular bar code scanning device. Manufactured from light weight ABS plastic for durability, and exclusive ergonomic design for comfort and ease of use, make the WCS3900 Bar Code Reader the best in their class. For fast connection, the WCS3900 simply plugs between your keyboard and . Designed for retail, point of sale, or any repetitive application where time and accuracy are important factors in making your business succeed. This product is for PC platform.