Glass: 3mm tempered glassFrame Color: Black powered-coated.Touch Points: Up to 32+ (unlimited) touch pointsTouch Technology: PQ Labs LED Cell ImagingTouch Method: Finger, gloved hand or any other pointer. Stylus minimum 3mm tip. Object shape recognition (Palm, fist recognitions)Construction: Aluminum, tempered glass, printed circuit boardsLuminous Transmission: Better than 95% with glassTouch activation force: No pressure requiredFinger Touch accuracy: 1.5mmTouch Durability: UnlimitedTouch Response Time: 7ms - 12msEnvironment: Operating temperature: 0°C to 55°C; Storage temperature: -25°C to 85°C Operating humidity: 10% to 90% RH, non-condens ing; Storage humidity: 10% to 90% RH, non-condensingPower Supply: Dual USB PoweredInterface: USB 2.0 (Full speed), compatible with USB 1.1 port, HID compliant, plug-and-play compatibleOS: Windows XP/ Vista/ 7/ 8, Mac OS XConnection Options: USB Series AWarranty: 1 year parts and laborOther properties:Non-wear high-precision technologyFault-tolerant designRobust construction and Scratch-resistant front glassWarranty:One yearSoftwarePQ Labs Multi-Touch Screen comes with PQ Window Software Platform & Apps.SDK supports C/C++, C#/.Net, Flash/Flex/ AIR, Flash (AS 2.0), WPF, JavaTUIO protocol and Windows 7 supported