Hong Kong professional television recommends the LG 65TR3DQ interactive whiteboard. Key Selling Points and Features :<br />Features 4K UHD high resolution for clear and detailed teaching and meeting images; supports multi-touch functionality with up to 40 points for simultaneous collaboration; built-in Android operating system for an intuitive user interface and applications ; screen sharing functionality supports laptops and mobile devices; wireless projection uses anti-glare tempered glass to protect eyesight and reduce glare interference; built-in front-facing dual speakers ensure audio transmission throughout the meeting room ; dual styluses are provided in each corner, supporting simultaneous writing in different colors to improve efficiency. Product Details and Specifications <br />The screen is 65 inches , using IPS panel technology with a resolution of 3840 x 2160 and a brightness of 390 nits. The dimensions without the stand are 1488 x 897 x 87 mm. The dimensions with the stand depend on the optional mobile stand or base model. The unit weighs 35 kg. It features a robust and durable construction and wall mounting holes that conform to the VESA 600 x 400 mm standard. Input interfaces include HDMI (3 ports), USB 3.0, USB Type-C, and LAN. Equipped with Bluetooth and Wi-Fi connectivity for convenient wireless data transfer. Service Fee Details Free desk installation : Purchase this product and receive free desk installation. Delivery fee : Free (additional charges may apply to remote areas). Fixed wall mounting cost : Quotation Note : For custom wall coverings (marble, tiles, etc.) or movable wall racks , please contact customer service via WhatsApp to inquire first. Frequently Asked Questions (FAQ) Q: What operating systems does this electronic whiteboard support for mirror projection? A: Supports wireless sharing on multiple platforms including Windows, macOS, Android, and iOS . Q: Is there a delay in touch response? A: This device offers a low-latency writing experience , providing a smooth, pen-and-paper writing feel. Q: Can I play files directly from a USB flash drive? A: Yes, you can directly open pictures, videos, and files through the built-in media player . Q: Does this machine require periodic calibration of the touch screen accuracy? A: No, infrared touch technology has an automatic calibration function to ensure accurate positioning. Q: Does the installation service include instructions on how to use the features? A: The installation technician will demonstrate basic operations to ensure that the customer understands how to turn the machine on and off and its basic functions.