The reader is convenient and practical, with excellent texture, and can serve you for a long time without being easily damaged. The craftsmanship can serve you well without breaking easily. This is a very practical reader. Features -Color: Black -Material: ABS -Size: 16.50X11.50X7.00cm/6.48X4.52X2.75in ( ) 26x18.4x13.2cm/10.23x7.24x5.19in (after assembling) - workmanship, reasonable structure, professional and practical, can bring you convenience. - The product is ergonomically designed, with high elastic keys, comfortable feel and stable structure. - It can be used to the code of goods, the screen and make payment on . - It is simple in design, but very practical in use, which brings great convenience to you. - Note: the lighting of barcode should cover up the whole barcode to read the barcode correctly. Specification Light source: 650nm Decode speed: 290+/-2 times/second Scanning precision: 4mil(0.10mm), 3mil(0.0726mm) Scanning width: 30mm@ window, 220mm@200mm Scanning depth: 0-700mm Scanning angle: rotation angle: +/-30 degree, pitch angle: +/-65 degree, drift angle: +/-60 degree Error: 1/50000000 Voltage: 5V Working current: 85mA Static current: 36mA Package list: 1 x barcode 1 x holder bracket 1 x bracket 1 x bracket inner tube 1 x external tube