Envizen Quartet 7 deliver portable entertainment four ways:
• DVD Player with video and audio output
• Digital  Television
• Video, audio and photo card reader
• Car  bag and 12 volt adapter

You can enjoy the Envizen Quartet 7 your way:
As a Digital TV
• With the built in ATSC digital tuner, the Duo Pro is a portable digital TV that lets you view all available digital channels.  No converter box or monthly subscription is needed.
As a DVD Player
• The built-in anti-shock buffering technology allows you to receive a great DVD picture even on bumpy roads.
• With the Envizen Quartet7's disc resume capability, it remembers exactly where you left off in your movie if you leave DVD mode.  Just switch back to DVD mode and continue watching your favorite movie from where you left off.
As a monitor
• Connect to any device that has AV output: game console, camcorder, etc.
As a multimedia player
• Use the USB 2.0 cable or insert a memory card to view digital photos, home videos, or music files.
Portability
• Internal battery with 2.5 hours of rechargeable life.  Watch a full-length movie without having to recharge.
• Lightweight and handheld.
• You can purchase an additional external battery for longer life.
Travel companion
• The Envizen Quartet 7 includes a car adapter so you can charge it up on the go.
• Free carrying case for protection.
• The carrying case mounts to the back of your car seat.
• LCD display swivels and flips 180 degrees to slide into the car bag for easy viewing

* 2.5 hours built-in battery        
ATSC part:        
* High sensitive silicon tuner        
* Frequece range: 57MHz ~ 803MHz        
* Modulation mode: 8VSB        
* Band Width: -6MHz        
* Transmission mode: TS        
* Video Stream: MPEG2        
* Audio Stream: AC-3        
* Support Guide program navigation        
* Support Closed Caption subtitle format        
* Support Time Zone: Hawaii, Alaska, Pacific, Central, Eastern        
* Sleep Time setup        
* Support OSD multi-language        
DVD part：        
* Built-in 3.5 mm AV-in/Earphone jack        
* Support video disc format: DVD/VCD/SVCD/MPEG-4/Divx/Xvid        
* Support photo format: JPEG        
* Support audio disc format: DVD-Audio/HDCD/CD/MP3/MP3 Pro/WMA        
USB/Card-reader part:        
* Support 3-in-1( MS/SD/MMC) Card-reader        
* Support photo  format: JPG, BMP        
* Support music  format: MP3        
* Support movie format:  Xvid/MPEG-4/MPEG-2/MPEG-1        
* Automatic slide show with multiple transition effects and display times        
* USB 2.0 OTG/Mini USB 2.0        
7" LCD Panel:        
* Screen Ratio: 16:9        
* Resolution: 480 x 234         
* Contract Ratio: 400:1        
* Brightness: 200cd/m

* AC/DC  Adaptor
* User's Manual & Quick Guide
* Remote
* RF Antenna
* Carry bag
* Car adapter

All Envizen Digital products are warranted for one (1) year for parts and ninety (90) days for labor, starting from the original date of purchase.