LPH75-ST420
65/75 inch Smart interactive whiteboard
65/75 inch Smart interactive whiteboard
> 65/75-inch 4K DLED display with Zero Air Gap technology that delivers a clear image in sharp, vivid colors.
> Wireless screen sharing from multiple devices with an intuitive, easy-to-use system.
> 8 physical front buttons for quick access to functions.
> Smooth writing experience, and handwriting recognition.
> Quick file sharing by scanning a QR code, with easy file encryption for added privacy and security.
> Switches between Android and Windows, and OPS module is optional.
Built-in System
Operating System
Android 11
CPU
Quad-core A55
CPU Frequency
1.9 GHz
GPU
ARM Mali-G52 MP2 (2EE)
RAM
8 GB (optional 4 GB)
ROM
64 GB (optional 32 GB)
LCD Panel
Panel Dimensions
65 inch; 75 inch
Backlight
DLED
Aspect Ratio
16:09
Brightness
400 cd/m² (typ.)
Contrast
VA: 4000; IPS: 1200
Resolution
3840 × 2160
Viewing Angle
178° (H) / 178° (V)
Lifespan
50,000 hours
Display Color
1.07 B
Response Time
8 ms (typ.)
Refresh Rate
60 Hz
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)
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)
HDMI In × 2 (4K@60 Hz)
VGA In × 1 (1080p@60 Hz)
USB 3.0 Type-B × 3 (Touch)
HDMI Out × 1
USB 3.0 Type A × 2
Micro USB × 1
RS-232 × 1
RJ45 In × 1
RJ45 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 × 1Function
IR Receiver
Yes
Bluetooth
Bluetooth 5.2
Wi-Fi
WIFI 5, 2.4 GHz/5 GHz; Integrated WiFi 802.11 b/g/n/ac, supports PEAP/EAP-GTC authentication protocol within 802.lX
Wireless Access Point
WIFI 5, 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 (over 90% Area)
Valid Touch
2 mm
Touch Height
<2.5 mm
Writing Mode
Finger + Pen (attaches magnetically)
Communication Mode
USB
Anti-light Interference
Anti-dazzle tempered glass
Surface Hardness
8H
Touch Resolution
32767 × 32767
Speaker
Built-in Speaker
2
Power
2.0 sound channel, front-end: 2 × 15 W
General
Power Supply
100–240 VAC, 50/60 Hz
Power Consumption
65-inch: 120 W (typ.); 200 W (max.)
75-inch: 150 W (typ.); 300 W (max.)
86-inch: 200 W (typ.); 400 W (max.)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)
Storage Humidity
10%–90% (RH)
Product Material
Metal
Glass
4 mm Anti-dazzle tempered glass
Casing Color (Frame/Rear)
Black
Product Dimensions
65-inch: 1,485.2 mm × 93.0 mm × 924.5 mm
(58.47" × 3.66" × 36.40")
75-inch: 1,707.5 mm × 93.0 mm × 1,050.0 mm (67.22" × 3.66" × 41.34")
86-inch: 1,953.2 mm × 93.0 mm × 1,187.9 mm (76.90" × 3.66" × 46.77")Packaging Dimensions
65-inch: 1,580.0 mm × 200.0 mm × 1030.0 mm (62.20" × 7.87" × 40.55")
75-inch: 1,800.0 mm × 200.0 mm × 1,165.0 mm (70.87" × 7.87" × 45.87")
86-inch: 2,050.0 mm × 200.0 mm × 1,310.0 mm (80.71" × 7.87" × 51.57")Net Weight
65-inch: 40 kg (88.19 lb)
75-inch: 52 kg (114.64 lb)
86-inch: 68 kg (149.92 lb)Gross Weight
65-inch: 50 kg (110.23 lb)
75-inch: 65 kg (143.30 lb)
86-inch: 82 kg (180.78 lb)Holes Distance
65-inch: 500 mm × 400 mm (19.69" × 15.75")
75-inch: 600 mm × 400 mm (23.62" × 15.75")
86-inch: 800 mm × 400 mm (31.50" × 15.75")
Installation
Wall mount; mobile bracket
Packing List
Smart interactive whiteboard × 1
Power cord × 1
Passive stylus pen × 2
HDMI cable × 1
Quick start guide × 1
Wall mount bracket (already installed on the whiteboard) × 1
Accessory package × 1
Remote control × 1
Legal and Regulatory Information × 1Certification
Certifications
CE, CB, Energy Star, ERP, RoHS, WEEE
