barcode scanner manufacturer, work in Supermarket,retail shop,hotel,garment shop,shoe shop,jewellery shop Technical ParameterPerformanceLight Source650nm LaserFrequency433MHzCommunication Distance300m (max.)Resolution (pcs0.9)0.10-0.825mmScan Width60mm at 30mm;98mm at 100mmDepth of Field10-420mmScan Rate78scans/sec.Light Source650nm LaserFrequency433MHzElectricalReceiver voltageDC 5VBattery1800mA ...