Optical Laser Barcode Scanner Fixed Optical Lens Low Power PS/2 Better Shock-Proofing and Durability New patented Optical Laser Technology integrates a fixed opti Superior Scanning Performance The NuScan 3000 supports scan fields as wide as 12 inches and 24 inc Less Harmful to your Eyes By using a fixed expanding laser light, the NuScan 3000 is less harmful Low Power Consumption Running on an Operating Current of only 80mA at 5v DC, the NuScan 3000 us Less Electromagnetic Inte