LMENGER 43 Inch 20 Points Infrared Touch Frame, Interactive USB Interface IR Touch Screen Overlay Use, Driver Free Intelligent, Suitable for Digital Signage

Seamless Multi-Touch Interaction: Experience fluid and responsive touch control with multi-point simultaneous touch support. The infrared technology ensures accurate finger and stylus tracking for smooth zooming, scrolling, and drawing—ideal for presentations, collaborative work, and interactive displays

Easy Plug-and-Play Setup: The infrared touch frame adopts a convenient plug-in design, equipped with assembly tips and a screwdriver. No professional tools are required. Just connect according to the A-A, B-B, C-C, D-D markings. The frame is firmly attached to the display and is not easy to fall off. It is long-term stable and suitable for most connected devices. The accessory screws and four connector covers are used to secure the USB cable. We offer 24/7 support; please contact our customer service on Walmart if you have any questions

Compatibility Notes: The infrared touchframe provides testing and debugging software for Windows and Android systems, compatible with Windows 7 and above. For Apple systems, only macOS 10.12 and above are supported, with single-point touch as the default. For multi-touch on macOS, the UPDD protocol must be purchased separately. Linux system support requires kernel version 3.5 or higher. Smart TV systems and Raspberry Pi are not supported

Durable & Reliable Performance: Built with high-quality infrared sensors and scratch-resistant surface, the touch frame delivers long-lasting accuracy even in high-use environments like classrooms, offices, or digital kiosks. It is not suitable for curved screens

High Quality Materials: The ir touch frame uses an aluminum alloy black frame, which is sturdy and durable. Glass-free transparent design, high-definition and smooth. The external overlay touch frame will not scratch the screen, has strong anti-interference （Touch frame only , without display , without glass)