Industry leading ergonomics combine superb balance, light weight & arched contours for ease of use. Easy to read 200 NIT, 3.5 inch QVGA display provides ease of use in a wide variety of lighting conditions. Flexible configurations provide choice of two operating systems, five Barcode scan engines & eight keypads. Rugged construction survives industrial environments & multiple drops to concrete. Loudest beeper on the market, 86d BA at 24 inch/61 cm, provides audible feedback in noisy operating environments. State of the art partnerships leverage IEEE technology standards: Microsoft Windows. Intel X-Scale architecture. Cisco & Summit Wi-Fi CCX v 4 certified. Bluetooth wireless technology.