BenQ 84’’ 4K UHD Interactive Flat Panel, Brightness 350 nits, Contrast ratio 1600 : 1, Up To 10-Touch Points, RP840G


  • Low Blue Light Technology
  • Anti-glare Glass
  • User-friendly: DisplayNote and EZWrite software
  • Touch driver free
  • Ultra-High-Definition Resolution (4K2K)
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Vision-Friendly Large-Sized Display for Enhanced Engagement 

The RP840G ensures the best interactive learning experience is delivered to students both near and far. With a 84-inch widescreen delivering eye-care solution and 4K stunning clarity, the RP840G can provide excellent viewing distances for large-sized classrooms. Not only does it come with handy interactive software and a teacher friendly design, the RP840G also guarantees hassle-free installation and requires nearly no warm-up time. It is your ultimate tools to achieve a touch-enhanced, smooth, and fun learning.

An Easy and Fun Annotation Solution

The RP840G allows you to capture and share ideas on the fly. The EZWrite 3.0 annotation app, powered with an array of cooperation and annotation tools, is specially designed to inspire your class interaction and participation. To instantly activate EZWrite 3.0, you can tap the app on the screen and maintain a smooth teaching flow, free from technical interruptions.

EZWrite 3.0: Inspire Learning and Participation with Ease

Pre-installed on the RP840G interactive flat panels, EZWrite 3.0 is the annotation app designed to facilitate interactive learning with pure simplicity.



Light life‎ 50000hrs‎
Orientation‎ Landscape‎


LCD Size‎ 84‎
Light Source‎ LED‎
Resolution‎ 3840 x 2160‎
Brightness (typ.)‎ 350 nits‎
Native Contrast Ratio (typ)‎ 1600:1‎
Response Time (ms)‎ 8ms‎
Viewing Angle‎ 178 degree (H) / 178 degree (V)‎
Color gamut (x% NTSC)‎ 72%‎
Panel Bit‎ 10-bit100V-240V, 50-60Hz‎
Panel Bit (8 or 10)‎ 10-bit‎


Voltage‎ 100V-240V, 50-60Hz‎
Maximun (Watt)‎ 550W‎


Number of Touches‎ 10 points touch‎
Technology‎ IR Touch‎
Touch interface‎ USB X 1‎
OS supported‎ Window XP, Window Vista, Win 7, Win 8, Mac OS X 10.6-10.9, Linux,Chrome OS‎
Resolution (Points Area Function)‎ 32767 x 32767‎
Tempered Glass‎ 4mm, tempered glass‎


Earphone (3.5mm)‎ Yes ‎

I/O Connection‎

Earphone‎ Yes‎
Coax Output‎ Yes‎
Line in‎ 3.5mm x 3‎
Power (AC) Input / Output‎ Yes / No‎
Built-in Speaker‎ 10W x 2‎
Audio Output (L/R, RCA)‎ Yes (3-in-1 connector)‎
External Speaker Out (L/R)‎ No‎
Audio Input (L/R)‎ No‎
HDMI In‎ Yes x 4
3 x 1080P; 1 x 4K2K‎
VGA In \ Out‎ Yes x 3 / Yes‎
RS232 Input \ Output‎ Yes / No‎
Component In (YPbPr, RCA)‎ No‎
S-Video In‎ No‎
Composite video In \ Out (BNC)‎ Yes (3-in-1 connector) / No‎
Handle‎ Yes x 2‎
USB Player (Photo, Video)‎ Yes x 2‎
FW Update‎ USB/RS232‎
VESA Hole‎ 600x600 (4 holes)‎
Pen Tray‎ No‎
RJ45 Port‎ Yes‎
AC Power Switch‎ Yes‎

Dimensions & Weight‎

Weight (kg) (without packing/with packing)‎ 116kg/146kg‎
Dimension (WxHxD)‎ 1978.2 x 1186.7 x 95mm / 2170 x 1370 x 320mm‎

Proof of Image Retention‎

HDMI wifi dongle (EZCast)‎ Yes‎
Stand‎ No‎


Trolley‎ Yes‎
Wall mount‎ Yes‎

More Information
Manufacturer BenQ
Screen Size 84" Diagonal
Panel Resolution 4K UHD (3840 x 2160)
Extended Touch Capable No
Built-In PC Optional PC
Product Dimensions 1,978x1,187x96mm
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