The Hikvision DS-D5B65RB is a 65-inch 4K UHD Interactive Flat Panel Display from Hikvision’s established Performance Series. Built predominantly for classrooms, collaborative corporate meeting rooms, and training centers, it combines an infrared multi-touch screen with a flexible dual-OS architecture (Android with Windows expandability via OPS).
Screen Size & Type: 65-inch VA commercial-grade panel with Direct LED (DLED) backlighting
Native Resolution: 4K Ultra HD ($3840 \times 2160$ @ 60 Hz)
Aspect Ratio: 16:9
Optical Performance:
Brightness: 350 to 400 cd/m² (Variant dependent, featuring an integrated ambient light sensor for auto-dimming)
Contrast Ratio: 1200:1 to 5000:1 Static / 30,000:1 Dynamic
Viewing Angles: $178^\circ$ Horizontal / $178^\circ$ Vertical
Color Depth: 10-bit (1.07 Billion colors)
Touch System: Infrared Touch Screen supporting up to 20-point to 45-point simultaneous multi-touch interactions (Model sub-variant adaptive) with a touch precision of $\pm 1\text{ mm}$ and rapid response times down to $<5\text{ ms}$
Glass Composition: 3.2 mm Zero-Lamination tempered safety glass featuring Anti-Glare (AG), fingerprint-resistant, and 25% Haze surface treatments (Up to 9H Pencil / 7 Mohs hardness)
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