The Opticon OPN2004 features one-touch barcode scanning makes data collection simple and easy. A fully-programmable with free OPN2004 firmware development kit optimize scanning behavior for target application, a small form-factor (2.44" x 1.26" x 0.69") device that fits easily into pocket or on a key chain. The OPN2004 conveniently holds up to 10,000 barcodes in 1 MB of memory.