The Hisense Sero 8 runs Android 4.4 KitKat on a 1.6 GHz Rockchip RK3188T quad-core CPU with 1GB RAM. It has a 16GB Flash storage, a microSD card slot, Wifi, Bluetooth, and a pair of unimpressive cameras.
Weighing in at 1 pound, it has a 4Ah battery which offers a promised 10 hoursw of runtime. The 8" screen is based on an IPS display with a screen resolution of 1280 x 800, and it has a cheaper 5 point capacitive touchscreen.
I can't find any reviews of this tablet (it's on my to do list), but I see that when I covered it in April I commented that the cameras (VGA and 2MP ) made me think of the bottom of the market tablets found at $99 price point last year, and not the Sero 7 Pro (at $149).
The Sero 8 is selling on Ebay for $120, so it looks like I came pretty close to hitting the mark. The UK retail price is £90, which suggests to me that Walmart's price will be $129, marked down to $99.