> What is ITF?     ITF means Interactive Touch Foil. Lightweight foil simple to apply to a window, glass, acrylic and rear projection screens      Transparent appearance, borderless, durable, safe to use, low-power, non-electronic pollution, long life      USB interface, not affected by external light conditions      4:3 or 8:3 or 16:9 or 21:9 ratio      Finger, gloved hand activation      Sensitive and fast response, Supports multi-touch       Our products have passed CE, FCC, ROHS certification! > Product Specification of ITF Induction MethodThe improved projected sensing technology, Criss-cross X, Y Nanowires constitute   sensing matrix Touch Size17"~94"(4:3) or 17"~120"(16:9) can be customized Paste WayRemovable Imperial or permanent paste Touch AccuracyNo   drift, the deviation is about 1~3mm Calibration Waysoftware calibration The Number of WiresNano-wires 40 Road / Road 64/128 Induction Thickness (Penetration)Adjusted by software to adapt to various thickness of glass, even wear gloves   to produce touch-sensitive, can penetrate non-metallic materials about the   thickness of 20 mm   (middle to allow air layer), the induction can even penetrate glass thickness   about of 25mm Scanning Frequency60Hz~130hz Output WayUSB   2.0 (HID public interface to USB Mini B interface) CompatibilityWIN2000/WINXP/WIN7/WIN8/Linux/Mac/android4.0 etc. Touch FunctionalityMouse   function, multi-point (2) touch support TUIO and Windows Native Temperature Range-20°C~60°C Humidity Range0% RH   to 95% RH (without condensation neighborhood) Transmittance＞93% Power ConsumptionMax   0.5W Product CertificationCE,FCC,ROHS EMCEN61000-6-1:2007     EN61000-6-3:2007+A1:2011