OM7520M, the best accessory for POS, is designed for Retail use. * Easy installation: Plug & Play * CMOS Sensor: 1280 x 1024 pixels * Motion Tolerance: 3.0 m/sec * Can read 1D/2D barcodes on paper label as well on display * Hand-free model: keep lines moving * can be applied in Supermarket, Convenient Store Looking forward to hearing from you soon. Have a nice day!