General InformationNEC OL-V423 Protective Infrared Multi-Touch Overlay Accessory for V423 42 High-Performance LED-Backlit Commercial-Grade Display with Integrated SpeakerTransform your existing V423 large-screen display into an interactive touch screen! While adding minimal depth the OL-V423 adds protective glass and multi-touch functionality to the already high-performance of the V423 commercial-grade display. This overlay solution is HID compliant with a majority of operating systems so loading extra drivers is unnecessary. A unique design that allows for swipe in and out functionality with Windows 8 makes this overlay solution future-proof with the newest compatibility for operating systems. With the addition of this IR-touch overlay end-users can experience up to 10 simultaneous points of touch - perfect but not limited to the educational retail and corporate markets. Technical InformationDisplay Type Supported: LCDMinimum Screen Size Supported: 42 Sensor Type: Infrared (IrDA)Touch Response Time: 16 ms Display & GraphicsAspect Ratio: 16: 9 Physical CharacteristicsMaterial: SteelHeight: 24 Width: 40 Depth: 1.8 MiscellaneousPackage Contents: Infrared Multi-Touch Overlay Accessory for the V423 Large-screen DisplayInstallation Instructions3m USB Extension CableInstalllation ScrewsCompatibility: NEC V423 Display