Dahua LPH75-ST470-P 75 inch Smart interactive Display

Technical Specification
Built-in System
Operating System Android 11
CPU Quad-core A73 + Quad-core A53
CPU Frequency 2.2GHz + 2.0GHz
GPU ARM Mali-G52 MP8 (8EE)
RAM 8 GB
ROM 64 GB (optional 128 GB)
LCD Panel
Panel Dimensions 65 inch; 75 inch; 86 inch
Backlight DLED
Aspect Ratio 16:09
Brightness 400 cd/m² (typ.)
Static Contrast VA: 4000 (typ.); IPS: 1200 (typ.)
Resolution 3840 × 2160
Viewing Angle 178°(H) / 178°(V)
Lifespan 50,000 hours
Display Color 1.07 B/10 bit (8 bit + FRC)
Response Time 8ms (typ.)
Refresh Rate 60 Hz
Plug-in Camera (sold separately)
Plug-in Camera 48 MP
Auto Control Auto white balance
Distortion –8.6%
Max. Resolution 3840 × 2160@30 fps
Field of View H: 87°; V: 49°; D: 99°
Device Ports
Light Sensor Yes
Front Button 8 buttons (power, home, menu, signal source, touch
lock, curtain, volume, and annotation)
Front Ports
Type C × 1 (4K@60 Hz, Touch, 65 W)
HDMI In × 1 (4K@60 Hz)
USB 3.0 Type-B × 1 (Touch)
USB 3.0 Type A × 2
Mic In × 1 (3.5 mm port)
Rear Port
Type C × 1 (4K@60 Hz, Touch, 15 W)
HDMI In × 2 (4K@60 Hz)
VGA In × 1 (1080p@60 Hz)
DP In × 1 (4K@60 Hz)
USB 3.0 Type-B × 3 (Touch)
HDMI Out × 1
USB 3.0 Type A × 2
USB 2.0 Type A × 1
Micro USB × 1
RS-232 × 1
RJ-45 In × 1
RJ-45 Out × 1
Audio In × 1 (3.5 mm port, used to play sound with
VGA)
Audio Out × 1 (3.5 mm port)
SPDIF Out × 1 (Optical port)
OPS slot × 1
Function
IR Receiver Yes
Bluetooth Bluetooth 5.2
Wi-Fi
WIFI 5, 2.4 GHz/5 GHz; Integrated Wi-Fi 802.11
a/b/g/n/ac, supports PEAP/EAP-GTC authentication
protocol within 802.l×
Wireless Access Point WIFI 6, 2.4 GHz/5 GHz; Supports enabling hotspot
and Wi-Fi at the same time
Touchscreen
Touch Technology Type Infrared touch technology
Attachment Method Zero Air Gap
Response Time ≤10 ms
Touch Points Android: 32, Windows: 40
Touch Accuracy ± 1 mm (0.04") (over 90% area)
Valid Touch 2 mm (0.08")
Touch Height 3 mm (0.12")
Writing Mode Finger + Pen
Communication Mode USB
Anti-light Interference Anti-dazzle tempered glass
Surface Hardness 8H
Touch Resolution 32767 × 32767
Speaker
Built-in Speaker 3
Power
2.1 channel
front-end: 2 × 15 W (Ma×.)
Back-end: 20 W (Ma×.)
Frequency 20 kHz–200 kHz
Microphone
Microphone 8-array
Pick-up Distance 6 m–10 m (19.69 ft–32.81 ft )
AGC Yes
Echo Cancellation Yes
Polar Pattern Omni-directional
Intelligent Noise Filtering Yes
General
Power Supply 100–240 VAC, 50/60 Hz
Power Consumption
65-inch: 120 W (typ.); 300 W (ma×.);
75-inch: 150 W (typ.); 350 W (ma×.);
86-inch: 250 W (typ.); 500 W (ma×.)
Standby Power Consumption ≤0.5 W
Operating Temperature 0 °C to +40 °C (+32 °F to +104 °F)
Storage Temperature –10 °C to +50 °C (+14 °F to +122 °F)
Operating Humidity 10%–90% (RH)