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excellent TV...
During our last power outage, I realized our old battery TV would not work, so I got this one to replace it. I could not believe how light weight and what an excellent picture and sound! I forgot to pull in the antennae to begin searching for the signal and once that was done I got more channels than I needed. Also got the docking station to run on AA batteries if needed. So I got the case that Amazon sells, charged the batteries and added to our Emergency kit.
We didn't need all the other options that the menu offered, so ours it purely for the TV part and using as part of our Emergency kit.

Good value 7 inch portable digital TV with average LCD/image quality. check out the slimmer 9 inch version as well.
Tivax HiRez7 Portable 7-Inch Digital Widescreen TV is a decent portable TV with a reasonable price. The ability to receive over the air digital signal is the main feature, and this TV managed to get most of the channels that I get from my other TV. The LCD quality/screen resolution is average (it's nowhere near a phone/iPhone or a regular laptop/netbook LCD quality, but then again it doesn't cost as much). The image Color and contrast are good however. And this TV is watched from a reasonable distance (i.e. not too close, like farther than 2 feet), the average quality LCD is not too noticeable. Overall, this is a good product with a decent price. In my opinion, this TV is positioned to be a value 7 inch TV screen, and I think they achieved it.

Pros:
1. Decent image color and contrast
2. Decent digital signal reception (but will vary depend on where you are)
3. Decent sound
4. Nice 7 inch screen (much better than 5 inch TVs/screen)
5. Battery last 2 hour (and can be extended with additional battery on docking)
6. Car adapter, external antenna, headphones and remote control included
7. Built in SD memory card reader, USB port, and TV stand
8. can be used to view photo, music or video (e.g. JPEG, MP3, AVI, MPEG 1/2/4, and DivX)
9. Can be connected to cable, DVD player, or gaming console
10. Reasonable price

Cons:
1. Average picture quality (low resolution LCD panel), especially if you see from very close distance
2. Can be thinner profile (feels bulky though it's not heavy) and can be more solid build (the button feels a bit flimsy)
3. Antenna included isn't very good (signal reception not very strong)
4. Reception is bad/unstable when the TV is placed in a non-stationary object (e.g. moving car), but this is universal to digital TV
5. A lot of buttons and complex menu system can be challenging to navigate
6. Non standard antenna input jack (need additional adapter to use a different antenna)
7. Docking station that will improve sound (external speaker) and playtime (using 8 AA or 2 Li-Ion batteries) not included in the base package (Tivax HiRez7-DS Docking Station for HiRez7 Widescreen 7-Inch Digital LCD TV)

I would recommend you to also check out the Tivax 9 inch version which has bigger screen, but features slimmer profile and the price isn't that much more expensive.

Sidarta Tanu

Awsome sound you can actually hear going down the road!!
I received this Tivax portable lcd tv not expecting the sound qualty to be very good but was very surprised when I first turned it on and the volume was at max. Wow it was so loud you could hear it from one end of the house to the other and could also understand what is being said. It certainly blows my netbook speakers out of the water.
Next I tested to see how long the battey life was and it seemed to last just over two hours so not bad for the size of the unit. It charged up fairly quick but did not time how long.
The on screen menu was very easy to navigate through unlike some others have mentioned. Maybe my version is newer and they updated the menus?
The remote is easy to use and buttons are logicaly placed. Sometimes I did have to push the button twice to make it work but may just be me.
If you should take it on the road it comes with a magnetic mountable antenna that you can put on the roof of your car and seems to work great. The reception of the digital pitures was pretty good and pulled in several channels. I did not notice the channels fading in and out too much while driving.
The tv has a USB input so you can hookup your portable DVD player or MP3 player to it. It has a headphone input for quiet listining.
Another nice feature is the flip out stand so it can be laid back at angle.

The second most impressing thing about this unit was the price factor. They have finally come down in price enough to where I can justify buying it.