Seems pretty cheap for a 55" UHD TV with 4k, built in wifi, smart features.
I had a look at my local HN and the picture quality seems crisp and clear.
Android Smart Platform. Quad Core Processor. 4 x HDMI & 3 x USB Inputs.
Additional Connections: USB Input x 2
Width (mm): 1242.4
Screen Size: 55"
3D TV: No
Smart TV: Yes
Screen Definition: Ultra High Definition
Warranty: 3 Year
HDMI Input: 4
Hertz: 200Hz
Depth (mm): 223.6
Height (mm): 772.6
3 year warranty
Its 200Hz as per the TCL site, not 100Hz on TGG listing
Also comes with a "BONUS TCL sound bar via redemption"
If using cashrewards, this would be $1046 + delivery, or you could pick up.