DAHUA 65″ LCH65 INTERACTIVE SCREEN

4K HD Display With up to 3840 × 2160 resolution, the 4K HD display delivers a clear image in sharp, vivid colors. AI Recognition of Drawings Identifies hand-drawn structures such as straight lines, arrowstraight lines, arrow-dotted lines, triangles, parallelograms, trapezoids, rectangles, pentagons, circles, cylinders, pentagrams, semicircles, and ellipse. Easy to Share Enhances the experience of sharing files by scanning a code. It automatically determines the network of the device to readily share the QR code across the extranet and the intranet. QR code encryption and extraction are also featured, providing privacy and data security through the required entry of a 6-digit password for verification. File Management Supports managing and using Office files, image, video and audio files, and file formats such as PDF and TXT. Similar to Real Writing Experience The electronic whiteboard supports pen-point writing. It comes equipped with specialized pressure-sensitive writing pens, designed to enhance the writing experience. With its soft, comfortable nib, writing on the whiteboard feels natural, similar to the real writing experience. • Displays in 4K Ultra HD and uses 4K UI. • With its 2 built-in mid-high frequency speakers, the device supports 2.0-channel audio output, and its total power is 30 W. • Microsoft Office and other related software can be installed, and it can play audio and video files in various formats. • Offers a smooth writing experience through handwriting recognition, pen writing, its fast writing response speed, and pen pressure recognition. • Support AI recognition of text and drawings. • Built-in 8 array microphone and AI 48M camera , produces highquality visuals and audio communication. • Seamlessly calls the camera and microphone of the whiteboard through its Type-C IN port and screen projector. Wireless Screen Sharing In addition to basic file sharing, the device offers wireless screen sharing, interactive operations between two screens, and reverse transmissions. It also supports screen grouping (multiple transmission), host mode (for overall permission control), real-time transmission of images, videos and audios from the wireless camera of the mobile phone to the device, and split-screen mode that displays up to 9 splits on the same screen. Technical Specification Built-in System Operating System Android 14 CPU Quad-core A55 CPU Frequency 1.9 GHz GPU ARM Mali-G52 MP2 (2EE) RAM 8 GB ROM 64 GB NFC No Function Operating System of External Module Windows 7/8/10/11 Wireless Access Point YES IR Receiver 1 LCD Panel Screen Size 65 inch Backlight DLED Aspect Ratio 16:9 Brightness 350 cd/m² (typ.) Resolution 3840 × 2160 Viewing Angle H: 178°; V: 178° Lifespan =50, 000 hrs Display Color =72% NTSC Refresh Rate 60 Hz Static Contrast Ratio IPS: 1200 (typ.) Response Time =8 ms (typ.) Camera Camera Android: Photo: 48 MP; Video: 4 MP Windows: Photo: 4 MP; Video: 4 MP Auto Control Auto white balance Distortion =5% Max. Resolution 2560 × 1440@30 fps Field of View D: 88°, H: 79°, V: 51° Face Detection No Device Ports Light Sensor 1 Front Button 1 × power button Front Ports 1 × USB 2.0 Rear Port 1 × USB 3.2 Gen1 Type-A; 1 × USB 2.0 Type-A; 1 × Micro USB 2.0; 1 × DB9 male connector; 2 × HDMI 2.0 IN(4K@60 Hz); 1 × RJ-45; 1 × 3.5 mm Line out port; 1 × Touch port;1 × Type-C(USB 2.0 device + 5 W charging) Wi-Fi Yes, 1 × Station, 1 × AP Wi-Fi Standard Station: 802.11b/g/n/a/ac/ax AP: 802.11b/g/n/a/ac/ax Wi-Fi Frequency Range 2400–2483.5 MHz, 5150–5350 MHz, 5470–5725 MHz, 5725–5850 MHz MAX Power Transmission (Wi-Fi) =20 dBm@2400–2483.5 MHz; =23 dBm@5150–5250 MHz; =20 dBm@5250–5350 MHz; =27 dBm@5470– 5725 MHz; =14 dBm@5725–5850 MHz Bluetooth Yes Bluetooth Standard BR/EDR/BLE, BT5.2 Bluetooth Frequency Range 2400–2483.5 MHz MAX Power Transmission (Bluetooth) =20 dBm@2400–2483.5 MHz Others 1× Touch port Microphone 8 arrays Touchscreen Touch Technology Infrared Attachment Method Non-Lamination Touch Points Android: 32 points