---
product_id: 364931531
title: "ViewSonic (Px748-4K) 4K UHD Projector with 4000 Lumens 240 Hz 4.2Ms HDr Support Auto Keystone Dual HDmi And USB-C For Home Theater Day And Night, Stream Netflix with Dongle, White"
brand: "viewsonic"
price: "₨18918"
currency: LKR
in_stock: false
url: https://www.desertcart.lk/products/364931531-viewsonic-px748-4k-4k-uhd-projector-with-4000-lumens-240
store_origin: LK
region: Sri Lanka
---

# 4.2ms ultra-low input lag 4000 Lumens brightness 240Hz refresh rate ViewSonic (Px748-4K) 4K UHD Projector with 4000 Lumens 240 Hz 4.2Ms HDr Support Auto Keystone Dual HDmi And USB-C For Home Theater Day And Night, Stream Netflix with Dongle, White

**Brand:** viewsonic
**Price:** ₨18918
**Availability:** ❌ Out of Stock

## Summary

> 🎥 Elevate your home theater and gaming setup to legendary status with ViewSonic PX748-4K!

## Quick Answers

- **What is this?** ViewSonic (Px748-4K) 4K UHD Projector with 4000 Lumens 240 Hz 4.2Ms HDr Support Auto Keystone Dual HDmi And USB-C For Home Theater Day And Night, Stream Netflix with Dongle, White by viewsonic
- **How much does it cost?** ₨18918 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/364931531-viewsonic-px748-4k-4k-uhd-projector-with-4000-lumens-240)

## Best For

- viewsonic enthusiasts

## Why This Product

- Trusted viewsonic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **HDR Mastery:** Supports HDR/HLG decoding for breathtakingly detailed and lifelike video playback that elevates your streaming and gaming.
- • **Effortless Setup:** Auto H/V keystone, 1.3x optical zoom, and anti-warping stabilization make installation on any surface a breeze.
- • **Cinematic Brilliance:** Experience stunning 4K UHD visuals with 4000 lumens brightness and 12000:1 contrast ratio for vibrant day or night viewing.
- • **Seamless Connectivity:** Dual HDMI, USB-C, Ethernet, and 12V trigger support all your devices—from consoles to smart home integration.
- • **Game-Changer Performance:** Ultra-low 4.2ms input lag and blazing 240Hz refresh rate deliver buttery-smooth, lag-free gaming on the big screen.

## Overview

The ViewSonic PX748-4K is a powerhouse 4K UHD projector boasting 4000 ANSI lumens brightness, 240Hz refresh rate, and ultra-low 4.2ms input lag. Designed for immersive home theater and next-level gaming, it features HDR/HLG support, flexible connectivity including USB-C and dual HDMI, and easy setup with auto keystone and optical zoom. Perfect for professionals craving cinematic quality and seamless smart home integration.

## Description

With incredible Ultra HD resolution, HDR/HLG support, and a high brightness of 4,000 ANSI lumens, the ViewSonic PX748-4K projector delivers stunning home entertainment around the clock: day or night, in bright rooms or dark. With an ultra-low 4.2ms input lag, 240Hz refresh rate, and USB-C connectivity for direct streaming from gaming consoles such as the Nintendo® Switch, this projector provides a whole new level of gaming. Set-up is a breeze too: 1.3x optical zoom, warping capabilities, and H/V keystoning allow for more flexible mounting and easy installation with screen sizes up to 300” on nearly any surface. What’s more, LAN control compatibility and a 12V trigger make this projector a perfect addition to any smart home.

## Features

- SUPERSIZED MOVIES AND GAMES: High brightness 4000 Lumens 4K UHD projector with high contrast ratio and advanced visual features
- NEXT-LEVEL GAMING: Experience gaming on the big screen with 4.2ms low input lag and a magnificent 240Hz refresh rate
- EASY SETUP: With a 1.3x optical zoom, anti-warping stabilization and auto H/V keystone, you can project on flat and curved surfaces
- HDR CONTENT SUPPORT: With the ability to decode HDR video signals, this projector delivers incredibly detailed video playback
- FLEXIBLE CONNECTIVITY: Supports media players, gaming consoles, PCs, Macs, and mobile devices with inputs like HDMI, USB C, RJ45, 12V Trigger

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | ViewSonic |
| Manufacturer | ViewSonic |
| Model | PX748-4K |
| Model Name | PX748-4K |
| Model Year | 2021 |
| Product Dimensions | 10.92 x 30.99 x 22.1 cm; 1.27 kg |
| Batteries | 2 AAA batteries required. |
| Item model number | PX748-4K |
| Hardware Interface | USB |
| Response Time | 5 Milliseconds |
| Resolution | 4K |
| Compatible Devices | Personal Computer |
| Special Features | Built-In 3d |
| Mounting Hardware | Power Cord, Projector, Remote, USB Type C cable,, User Manual |
| Number of items | 1 |
| Display Technology | DLP |
| Standing screen display size | 300 Inches |
| Display Type | DLP |
| Image Aspect Ratio | 16:9 |
| Image brightness | 4000 |
| Image contrast ratio | 12000:1 |
| Aspect Ratio | 16:9 |
| Screen Resolution | 3840 x 2160 |
| Resolution | 2160 Pixels |
| Maximum vertical resolution | 2160 Pixels |
| Noise Level | 33 Decibels |
| Voltage | 12 Volts |
| Wattage | 310 Watts |
| Power Source | Information Not Available |
| Batteries Included | No |
| Batteries Required | No |
| Refresh Rate | 240. |
| Total USB ports | 1 |
| Connector Type | Ethernet, HDMI, USB |
| Form Factor | Portable |
| Mounting Type | Tabletop Mount |
| Does it contain liquid? | No |
| Includes Rechargeable Battery | No |
| Includes remote | Yes |
| Manufacturer | ViewSonic |
| Item Weight | 1 kg 270 g |

## Product Details

- **Brand:** ViewSonic
- **Recommended Uses For Product:** Gaming
- **Special Feature:** Built-In 3d
- **Connectivity Technology:** Ethernet, HDMI, USB
- **Display resolution:** 3840 x 2160

## Images

![ViewSonic (Px748-4K) 4K UHD Projector with 4000 Lumens 240 Hz 4.2Ms HDr Support Auto Keystone Dual HDmi And USB-C For Home Theater Day And Night, Stream Netflix with Dongle, White - Image 1](https://m.media-amazon.com/images/I/41tUFl4+2AS.jpg)
![ViewSonic (Px748-4K) 4K UHD Projector with 4000 Lumens 240 Hz 4.2Ms HDr Support Auto Keystone Dual HDmi And USB-C For Home Theater Day And Night, Stream Netflix with Dongle, White - Image 2](https://m.media-amazon.com/images/I/71XxANprEZS.jpg)
![ViewSonic (Px748-4K) 4K UHD Projector with 4000 Lumens 240 Hz 4.2Ms HDr Support Auto Keystone Dual HDmi And USB-C For Home Theater Day And Night, Stream Netflix with Dongle, White - Image 3](https://m.media-amazon.com/images/I/61G7obQlErS.jpg)
![ViewSonic (Px748-4K) 4K UHD Projector with 4000 Lumens 240 Hz 4.2Ms HDr Support Auto Keystone Dual HDmi And USB-C For Home Theater Day And Night, Stream Netflix with Dongle, White - Image 4](https://m.media-amazon.com/images/I/61Kl-IC0eqS.jpg)
![ViewSonic (Px748-4K) 4K UHD Projector with 4000 Lumens 240 Hz 4.2Ms HDr Support Auto Keystone Dual HDmi And USB-C For Home Theater Day And Night, Stream Netflix with Dongle, White - Image 5](https://m.media-amazon.com/images/I/51tdAEqKw5S.jpg)

## Questions & Answers

**Q: What is the input lag of the PX748-4K and how do I activate it?**
A: The PX748-4K operates with a 240Hz refresh rate and a 4.2ms response time (input lag). To enable the 4.2ms input, turn it on via advanced settings and set the refresh rate to 240Hz. Reaction time is based on DMD chip.

**Q: What is the optimal throw distance for a clear 4K image?**
A: The recommended max throw distance to display a clear 4K 300” image is 32 ft.

**Q: What is the optimal screen size for a clear 4K image?**
A: The PX748-4K can display a clear 4K image from 30” to 300”.

**Q: If a Chromecast is attached to the projector, can I use the projector to supply power?**
A: Yes. A built-in USB power output (5V/1.5A) can be used to supply power to wireless dongles like Chromecast or Amazon Fire TV stick.

## Frequently Bought Together

- ViewSonic PX748-4K UHD 4K Projector with 4000 Lumens, 240 Hz, 4.2ms, HDR Support, Auto Keystone, Dual HDMI, and USB C for Home Theater, Stream Netflix with Dongle
- VIVO Universal Adjustable Ceiling Projector Mount for Regular and Mini Projectors with Extending Arms, White, MOUNT-VP01W
- VIVO Universal Extending Ceiling Projector Mount, Height Adjustable Projection, White, MOUNT-VP02W

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.lk/products/364931531-viewsonic-px748-4k-4k-uhd-projector-with-4000-lumens-240](https://www.desertcart.lk/products/364931531-viewsonic-px748-4k-4k-uhd-projector-with-4000-lumens-240)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-26*