75 inch Smart interactive whiteboard

Operating System: Android 14

CPU: A72 x4 + A53 x4 (8-core)

GPU: Mali-G52MC3

RAM: 8 GB

ROM: 128 GB

Backlight: DLED

Aspect Ratio: 16:9

Brightness: 400 cd/m2

Static Contrast: VA 4000:1; IPS 1200:1

Resolution: 3,840 (H) x 2,160 (V)

Viewing Angle: 178 deg (H) / 178 deg (V)

Display Color: 1.07G (8 bits + FRC)

Response Time: 6.5 ms

Refresh Rate: 60 Hz

System Support: Windows, Android

Touch Screen Writing Tools: Pen & Finger

Screen Size: 75 inch

Operating Temperature: 0-55 C, 20-80% RH

Storage Temperature: -10-55 C, 20-90% RH

Operating Humidity: 20-93% RH (non-condensing)

Storage Humidity: 20-93% RH (non-condensing)

NOTE: this datasheet does not include per-size Product Dimensions, Net/Gross Weight, or Holes Distance values (unlike other Dahua datasheets seen previously). Please supply these from another source, or I can try to locate the official product page for exact figures.

Installation: Wall mount or mobile bracket

Touch Technology: Infrared touch technology

Attachment Method: Zero Air Gap

Response Time: <=5 ms

Touch Points: Android 40 points; Windows 40 points

Touch Accuracy: +/-2 mm

Minimum Object Size: 2 mm

Writing Mode: Finger and stylus pen

Anti-light Interference: Anti-glare tempered glass

Surface Hardness: >=9H

Touch Resolution: 32,767 x 32,767

Glass: 3.2 mm anti-glare tempered glass

Installation: Wall mount or mobile bracket

Speaker: 2 built-in speakers, Power 2 x 20 W

Power Consumption: <=0.5 W (as listed in the datasheet's General section; this appears to be the standby figure only — the datasheet does not list a separate basic/max operating power consumption value)

Bluetooth: 5.2

Wi-Fi: Wi-Fi 6

Ports: 2 x Type-C; 2 x HDMI IN; 3 x USB 3.0 Type-A; 2 x USB 2.0 Type-A; 1 x TOUCH (USB3.0 Type-B); 1 x TOUCH (USB2.0 Type-B); 1 x HDMI OUT; 1 x RS232; 1 x SPDIF OUT; 1 x Line In (3.5mm); 1 x Audio Out (3.5mm); 1 x RJ45 IN (10/100/1000 Mbps); 1 x TF slot; 1 x OPS slot