When we were able to pull in a station, the picture was clear and reasonably sharp and the sound played ample volume through the two small speakers on the sides of the unit. However, it should be noted that in terms of resolution the screen is only 480x234 pixels, which is standard for these types of $100-$150 portable TVs. That's enough resolution to give you a reasonable picture, but the individual pixels are distinguishable at close range and we're looking forward to the day when manufacturers can deliver higher resolution displays for about the same price. (You can get the even smaller Eviant T4, which has the same size 4.3-inch screen as the PSP, but it actually costs a bit more than the larger T7.)
As for battery life, it's disappointing. We got close to 110 minutes in our tests, which was better than the rated 90 minutes. However, that won't get you through a football or baseball game, and if the power goes out because of a storm, you won't get to watch for too long before the unit dies. What's worse: the rechargeable battery is sealed in the unit, iPod-style. That means you can't buy a new one when the built-in one eventually goes south. It also would've been useful to be able to swap in a bunch of alkaline batteries (especially during a power outage).
Another important note: because of the technical limitations of the DTV standard, this TV--like all portable DTVs--is not meant to be used while in motion (for example, in the backseat of a car). While we've heard reports that it sometimes works fine, it's just not something you should count on.
According to Eviant, a car adapter is included with some T7s depending on the retailer, but the review unit we received did not include one and the package sold on Amazon doesn't have one. A 12 volt AC adapter does come with the TV, as does a felt carrying pouch and small remote control that changes the channels and raises and lowers the volume (because the TV has a "hard" power switch, however, you can't control power from the remote). Eviant also throws in an AV cable that lets you to use the TV as a display for other devices that output video. Also, there's an audio-out jack for plugging in a set of headphones.
Overall, this is a perfectly adequate little TV that would work well as a kitchen TV or for use on the road as long as you're close to a charging source. While we wish the battery life was in the 3-4 hours range and the resolution a bit higher, you can't expect too much more for about $100.
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