42” Class edge lit Razor LED™ LCD HDTV with VIZIO Internet Apps™

MODEL NUMBER: M421VT Model Features:

42.02” diagonal
Full HD 
Edge lit Razor LED™ backlighting
Slim 1.8” profile
VIZIO Internet Apps™ 
Built-in WiFi 802.11n
120Hz refresh rate
1,000,000:1 Dynamic Contrast Ratio
Bluetooth® Universal Remote  with QWERTY keypad

  • Overview
  • Tech Specs
  • Customer Ratings
  • More Photos
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Product Overview

VIZIOs 42” Class (42.02” diagonal) edge lit Razor LED™ LCD HDTV with VIZIO Internet Apps™ brings high definition technology to VIZIO’s sleek signature style. Packed with the latest technology, this high performance HDTV combines brilliant picture quality and immersive virtual surround sound with premium wireless Internet connectivity so you can enjoy sports, movies, even the best of the web all right on your HDTV.

The VIZIO viewing experience delivers amazing clarity, color and contrast with our edge lit Razor LED™ backlighting and 16 zone Smart Dimming technology, a 1,000,000: 1 dynamic contrast ratio for fast actions scenes, and 120 Hz Smooth Motion processing for sharper, blur free images. 

Access internet content and stay connected! The built-in single-band 802.11n Wi-Fi receiver provides wireless connectivity for easy access to your favorite on-demand movies, TV shows, music, photos and more. With VIZIO Internet Apps™, you can check the news, weather, and update your Facebook and Twitter feeds. The Bluetooth® remote features a full slide-out QWERTY keypad for easy input!

VIA (VIZIO Internet Apps)
VIA™ (VIZIO Internet Apps)

Easily connect to the Internet and stream movies and TV shows, listen to music and get the latest news, sports and weather.  Learn More

Razor LED
Razor LED

Razor LED - VIZIO is the first to bring LED technology to smaller size LCD HDTVs! This Mercury Free, Energy Efficient, Razor Thin HDTV achieves a 1,000,000:1 Dynamic Contrast Ratio giving you deeper blacks and brighter whites - 450 nits brightness.

SRS TruVolume™
SRS TruVolume

Limits volume inconsistencies between programming.  Learn More



ECO HD™ exceeds the current ENERGY STAR® 4.1 Guidelines, saving you money on your utility bills while limiting the impact on our planet.
Learn more

WiFi Technology
WiFi Technology

The latest 802.11N Single-Band Wireless Networking is built-in making connecting to the Internet quick and easy.


120Hz Smooth Motion technology delivers sharper clarity of fast action scenes for blur free images.  Learn More

1080P Full HD

Full 1080P High Definition resolution gives you over 2 million pixels, making the clarity and detail of your picture razor sharp.  Learn More

SRS TruSurround HD™

SRS TruSurround HD

Delivers immersive virtual high definition surround sound.  Learn More

Mercury Free

Mercury Free

The display’s backlight is environmentally-friendly due to the fact that LED backlights do not utilize mercury, an environmentally harmful substance. Learn more

Tech Specs

Class: 42"
Viewable: 42.02"
Backlight Type: Edge Lit Razor LED™
Resolution: 1920 x 1080
Display Compatibility: 1080P
Colors: 1.06 Billion
Dynamic Contrast Ratio: 1,000,000:1
Refresh Rate: 120Hz
Brightness: 450 nits
Response Time: 5 ms
Viewable: 178/178


SRS TruSurround HD™: Yes
SRS TruVolume™: Yes
Channels/Speaker Output: 10W x 2


Connections - Inputs (REAR)
HDMI with HDCP:  
Component: 1
Composite: 1 (shared with Component input connector)
VGA: 1
RF Connector for Internal Tuner: 1
Ethernet: 1 - 10/100 Base-TX


Connections - Inputs (SIDE)
HDMI with HDCP: 4
USB 2.0: 2
HD Gameport: Yes


Connections - Outputs
Optical Digital Out (SPDIF): 1
Analog Audio Out: 1


Multimedia Support
Music (MP3): Yes
Photo (JPEG): Yes
Video (MPEG): Yes


Additional Features
Smooth Motion: Yes
Picture-in-Picture (PIP): Yes
Ambient Light Sensor: Yes
Bluetooth: HID (remote), A2DP/AVRCP (headset), HFP (voip), TBC
Wireless (WiFi): 802.11n Single Band
Wireless HD (1.0):  
Theater 3D:  
Full HD 3D:
Mercury Free:
Remote Control: VRUR10
Power Consumption: 92W
Stand-by Power: <1W


Gross: 57.94lbs
Net With Stand: 43.56lbs
Without Stand: 36.77lbs


With Stand: 39.75"W x 26.72"H x 8.5"D
Without Stand:
Packaging Dimensions: 46.26"W x 31.5"H x 8.07"D


Certifications UL/CUL, FCC Class B, Canada (BETS-7), BQB, HDMI 1.4 incl. CEC


Compliances Energy Star 4.0, ATSC Spec A/65, EIA/CEA-766-A


Wall Mount Specifications
Hole Pattern: 200(V)mm X 200(H)mm
Screw Size: M6
Screw Length: 10mm
Screw Pitch: 1.0mm


VIZIO Warranty One Year Parts & Labor; Free Lifetime Technical Support


VIZIO, Inc. has made every effort to ensure the accuracy of the information provided herein. All product specifications, functionality, features, configurations, performance, design and other product information described herein are subject to change without notice. VIZIO, Inc. disclaims liability for typographical, technical, or descriptive errors.

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Product Photos


Support Information

Product Downloads
User Manual Download PDF
Quick Start Guide Download PDF
VIZIO Internet Apps Chart View

Warranty Details

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