Handheld barcode reader for scanning and decoding linear 1D barcodes; sized to fit in a pocket or on a lanyard Laser produces single line of light to scan barcodes 512 MB of built-in flash memory stores barcode data from more than 1 million scans Wireless or USB cable connection to host system for transmitting barcode data Weighs 2.45 oz.; measures 3.41 x 1.95 x 0.87 inches (L x W x H) This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.