| Display Technology | QLED |
| Resolution | 4K |
| Refresh Rate | 120 Hz |
| Aspect Ratio | 16:9 |
| Contrast Ratio | 5000:1 |
| Maximum Display Brightness | 600 Nit |
| Screen Finish | Flat |
| HDR Format Supported | Dolby Vision |
| Motion Enhancement Technology | True |
| Picture Quality Enhancement Technology | High Dynamic Range |
| Display Language Options | English |
| Display Backlight Configuration | Direct LED |
| Display Backlight Setting | Adjustable |
| Display Backlight Technology | LED |
| Display Refresh Rate in Hertz | 120 |
| Screen Size | 55 Inches (139.7 cm) |
| Item Dimensions D x W x H | 10.04"D x 48.59"W x 30.6"H (25.5 x 123.4 x 77.7 cm) |
| Item Weight | 35.7 Pounds (16.19 kg) |
| Display Size Class | 55 Inches (139.7 cm) |
| Size | 55u201d |
| Audio Output Mode | Stereo, Surround Sound, 3D Spatial Audio |
| Speaker Description | 2 speakers, 10W power output per speaker |
| Number of Audio Channels | 5.1 |
| Integrated Surround Sound Format | Surround Sound, 3D Spatial Audio |
| Power Consumption | 0.49 Watts |
| Line Voltage | 110 VAC 60 Hz |
| Battery Type | AA or AAA battery |
| Additional Features | Flat |
| Smart Home Compatibility | Not Smart Home Compatible |
| Operating System | Android |
| Control Method | Voice |
| Controller Type | Google |
| Brand | VIZIO |
| Built-In Media | Power Cable, Remote Control, Stand |
| Model Name | VIZIO M-Seriesu2122 Quantum 55u201d Class (54.5u201d diag.) 4K HDR Smart TV - M558-G1 |
| Model Year | 2019 |
| Model Number | M558-G1 |
| Model Series | M-Series |
| Remote Required Battery Size | AA |
| Remote Required Battery Quantity | 1 |
| Global Trade Identification Number | 00845226017261 |
| Manufacturer | VIZIO |
| UPC | 845226017261 |
| Mfr Part Number | M558-G1 |
| Item Type Name | Television |
| Connectivity Technology | Ethernet, HDMI, USB |
| Internet Applications | Amazon Instant Video, Hulu, Netflix, Vudu, YouTube |
| Audio Input | Optical, USB |
| Signal Format | Digital |
| Total Number of HDMI Ports | 4 |
| Hardware Interface | HDMI, USB |
| Wireless Technology | Wi-Fi |
| Screen Mirroring Technology | Apple AirPlay and Google Cast (Chromecast) |
| Connector Type | Component, HDMI |
| Total USB 2.0 Ports | 1 |
| Total USB 3.0 Ports | 1 |
| Total Usb Ports | 1 |
| Content Sharing Direction | Mobile to TV |
| Number of Component Outputs | 4 |
| Mounting Type | Wall Mount |
| VESA Mount Standard | 300 x 200 mm |
| Color | Black |
| Tuner Type | ATSC |
| Video Encoding | Chromecast |
| Water Resistance Level | Not Water Resistant |
| Special Feature | Flat |
| Included Components | Power Cable, Remote Control, Stand |
| Product Dimensions (L x W x H) | 10.04"D x 48.59"W x 30.6"H (25.5 x 123.4 x 77.7 cm) |