Description
MODEL: HIKVISION DS-D5B55RB/A
55-inch 4K Interactive Display
Features
The Interactive tablet (hereafter referred to as the “device”) integrates functions of computers, projectors, interactive whiteboards, sound boxes, cameras (optional), bluetooth remote control (optional), HDTVs, advertising machines and so on. The device integrates technologies like 4K display, infrared touch, human-machine interaction, multi-media 
information processing, and network transmission and provides users with various features such as writing, annotating, multi-screen sharing, pen detection and remote video call (optional).The Interactive tablet is mainly used for remote video conferences, trainings and guidance, medical consulting, and other events in kinds of offices, meeting rooms,  multi-media classrooms, exhibition halls and so on.
Ultra HD display with up to 3840 × 2160 resolution of input signal available.
20px ultra fine writing, and 2 mm diameter recognizable with the precision of 1 mm.
Built-in Wi-Fi realizes miracasting without any cable connection.
Built-in interactive whiteboard system allows annotating and sharing by QR code.
Looping-out display available.
Various audio and video interfaces for device access.
Built-in network switch chip saves a network switch.
Built-in Android system provides kinds of applications.
Compatible with OPS/OPS-C devices, realizing smooth switch between built-in systems.
Ultra-thin design with aluminum profile frame.
Specifications
Display
Screen Size: 55 inch LED Backlight
Backlight: DLED
Pixel Pitch: 0.105(H) × 0.315(V) mm
Resolution: 3840 × 2160 @60 Hz
Brightness: 350 cd/m²
Color Depth: 10 bit
Contrast Ratio: 1200：1（Typ.）
Response Time: 6 ms
Color Gamut: 90% NTSC（CIE1931）（Typ.）
Refresh Rate: 60 Hz
Viewing Angle: 178°(H)/178°(V)
Built-in System
Operation System: Android 8.0
Processor: 4-core A73 × 2 + A53 × 2, 1.5 GHz
Memory: 3 GB
Built-in Storage: 32 GB
NIC: Built-in 100 Mbps NIC, supporting routing
Touch
Type: Infrared touch screen
Glass: AG smooth glass 
Touch Point: 20 point multi-touch
Touch Response Time: ＜ 10 ms
Touch Precision: ±1 mm (≥ 90% touching area) 
Touch Craft: Full paste
Internal Function
Loudspeaker: Built-in 2 × 16 W loudspeaker 
Bluetooth: Built-in BLE (Bluetooth Low Energy) module supports Bluetooth 5.0 and previous version. 
Interface
Video & Audio Input: HDMI IN × 2，MAX 4 K @ 60 Hz, LINE IN × 1
Video & audio output: HDMI OUT × 1，MAX 4K @ 60 Hz； LINE OUT × 1 
Control interface: RS-232 × 1 
Network Interface: RJ45 (100Mbps ports) × 2
Data Transmission Interface: 2 USB on front panel , 2 USB on rear panel
Power
Power Consumption: < 200 W (full load)
Standby Consumption: 0.5 W
Working Environment
Working Temperature: 0 ℃~40 ℃
Working Humidity: 10%~90% RH
General
Power: AC 100 V～240 V，50/60 Hz
Product dimensions: 1266 × 764 × 57 mm
Package dimensions: (W × H × D) 1432 x 904 x 211mm
Net Weight: 29.36 kg
Gross Weight: 36.19 kg