Reliable Performance for Endless Fun

The LX720-4K adopts 3rd-generation laser phosphor technology for long-lasting, lamp-free performance. With a lifespan of up to 20,000 hours, there's no need for lamp replacements—delivering reliable, year-round entertainment while saving you time, effort, and ongoing maintenance costs.

3rd-gen Laser Phosphor Technology

Ultimate Viewing Experience with 4K HDR

Experience true 4K UHD clarity and dynamic visuals powered by HDR/HLG and 3D support*. The LX720-4K features dual HDMI 2.0b and HDCP 2.2 ports to ensure native 4K quality, bringing your favorite games, sports, movies, and shows vividly to life.

*Support frame sequential only

Native 4K HDR

Bright Images Anytime

Enjoy brilliant entertainment anytime—day or night. Whether it’s movie night with the family or a sunny afternoon game, the LX720-4K shines with 3,500 ANSI Lumens of brightness, so you never miss a detail.

3,500 ANSI Lumens

Bring the Big Screen Home

Turn any room into a personal theater with a massive screen size of up to 300 inches. From epic movie nights to gaming marathons and live concert streams, the LX720-4K lets you bring everyone together for unforgettable moments on the big screen.

Up to 300” Screen Size

Crisp Sound, Right Out of the Box

Skip the speaker setup. With a built-in 10W cube speaker, the LX720-4K lets you dive into movies, music, and more with crisp, room-filling audio right out of the box.

10W Cube Speaker

Big Screen, No Big Rearranging

The 1.3x optical zoom lens gives you flexibility to fine-tune placement and screen size, even if the projector isn’t mounted at the perfect distance. Get the image size you want without needing to reposition your ceiling mount.

1.3x Optical Zoom

Perfect Image Projection from All Angles

Thanks to flexible H/V keystone correction and 4-corner adjustment, you’ll get a perfectly aligned image even if the projector isn’t mounted perfectly centered. Whether it’s tilted down, angled up, or projected from the side, setup is easy and your picture stays sharp.

H/V Keystone Correction, 4 Corner Adjustment

Stream Your Way, On the Big Screen

Stream smarter with built-in Google TV. The LX720-4K comes ready to go with your favorite apps like Netflix, YouTube, and Disney+, no extra devices needed. Just sign in and start streaming. Prefer a device you already use? It also works smoothly with Chromecast, Apple TV, Fire TV, Roku, and more. Plus, the USB-A port lets you keep external streamers powered up without extra adapters.*

*The ability to power external devices via USB-A depends on the specific power requirements of the connected device.
**The streaming devices of brands stated herein are for demo purposes only and are not preinstalled and not included in the Product. The aforesaid devices are the properties of their respective owners, unaffiliated with ViewSonic, and are neither sponsors nor endorsers of the Product.
***The Product's aforesaid compatibility with streaming devices of brands not stated herein mayvary based on specifications. Please verify before purchasing the Product. 

Built-in Google TV

Speed That Keeps You Ahead

The LX720-4K supports 1ms ultra-fast input*, a blazing 240Hz refresh rate, and near-instant response time**, so fast-paced games, action scenes, and live sports play out with crystal clarity and no motion blur.

*1ms Ultra-Fast Input supports up to 240Hz at 1080p resolution and up to 60Hz at 4K resolution. This feature is automatically activated when keystone, corner adjustment, overscan, and aspect ratio are set to default.
**The response time stated refers to the reaction time of the DMD chip.

1ms Low Latency

Wireless Screen Casting from Your Smart Devices

With fast, stable 5GHz Wi-Fi built in, casting from your phone, tablet, or laptop is easy and cable-free. Stream videos, share photos, or mirror your screen to enjoy your favorite content on the big screen—no extra setup required.* 

*Only works with “smart system” input source​​.
*To enable the AirPlay function, you may need to install a third-party application.​​​​

Bluetooth Sound Out, Your Way

Wirelessly stream audio from the projector to your Bluetooth headphones, letting you escape the outside world and fully immerse yourself in big-screen entertainment.​

*Only works with “smart system” input source

Bluetooth Audio Output

Clean Setup. Big Sound.

With HDMI ARC, the LX720-4K sends video and audio through a single cable—making it easy to connect to your sound system and keep your setup clean and simple.

HDMI ARC

Designed with Eye Care in Mind

The LX720-4K is designed to reduce blue light and ease the strain on your eyes. Unlike traditional displays, it uses reflective light that bounces off the wall or screen before reaching you—so you can enjoy longer viewing sessions more comfortably.*

*The low blue light mode can be activated manually.

Dimensions & I/O Ports

• 1. Zoom/Focus Ring
• 2. Keypad
• 3. Adjustment Foot
• 4. Lens

• 5. Front IR
• 6. Audio Out
• 7. RS-232
• 8. USB-A (5V/1.5A)

• 9. HDMI 2.0 / HDCP 2.2 (ARC)
• 10. HDMI 2.0 / HDCP 2.2

Projection System

0.47" 4K-UHD

Native Resolution

3840x2160

Brightness

3500 (ANSI Lumens)

Contrast Ratio

3000000:1

Display Color

1.07 Billion Colors

Light Source Type

Laser Phosphor

Light Source Life (hours) with Normal Mode

20000

Light Source Life (hours) with SuperEco Mode

30000 (Eco)

Lens

F=1.94-2.12, f=11.9-15.5mm

Projection Offset

110%+/-6%

Throw Ratio

1.127-1.465

Optical Zoom

1.3X

Image Size

60"-300"

Throw Distance

1.49-9.72m
(100"@2.49m)

Keystone

H:+/-25°,
V:+/-25°

Audible Noise (Normal)

32dB

Audible Noise (Eco)

26dB

Local Storage

Total 8GB
(4GB available storage)

Input Lag

1ms

Resolution Support

VGA (640 x 480) to 4K(3840 x 2160)

HDTV Compatibility

480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p

Horizontal Frequency

15K-255KHz

Vertical Scan Rate

23-240Hz

HDMI

2 (HDMI 2.0, HDCP 2.2)

WiFi Input

1 (5Gn)

Audio-out (3.5mm)

1

Audio-out (Bluetooth)

1 (BT5.0)

Audio-out (HDMI ARC)

1 (share with HDMI Input)

Speaker

10W Cube

USB Type A (Power)

1 (5V/1.5A)

RS232 (DB 9-pin male)

1

USB Type A (Services)

1 (share with USB A Output)

Power Supply Voltage

100-240V+/- 10%,
50/60Hz (AC in)

Power Consumption

Normal: 143W
Standby: <0.5W

Operating Temperature

0~40℃

Carton

Brown

Net Weight

3.5kg (7.72 lbs)

Gross Weight

4.6kg (10.14 lbs)

Dimensions (WxDxH) with Adjustment Foot

312x234x104mm (12.3x9.2x4.1 in)

Packing Dimensions

415x168x297mm (16.3x6.6x11.7 in)

OSD Language

English, French, Spanish, Thai, Korean, German, Italian, Russian, Swedish, Dutch, Polish, Czech, T-Chinese, S-Chinese, Japanese, Turkish, Portuguese, Finnish, Indonesian, Hindi, Arabic, Vietnamese, Greek, Hungarian Total 24 languages

User Guide Language

English, S-Chinese, T-Chinese, Indonesian, Finish, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Arabic, Czech, Thai, Vietnamese, total 20 languages

Power Cord

1

Remote Control

1 (BT, w/ backlit)

QSG

Yes

Wall/Ceiling Mount

PJ-WMK-007

Carry Bag

PJ-CASE-008

Warranty

3 Years Warranty