While this TCL Roku TV features an effective refresh rate of 120Hz CMI, it does not support 120Hz input from external connected devices.
#2 It doesn’t seem to have any holes to mount it to the wall - does this TV not mount to wall?!
There are a total of 4 mounting holes. 2 of them have screws in them, and should be removed. We recommend using the appropriate M6 screws that come in the mounting bracket screw kit. This TCL TV uses a 300mm x 300mm VESA mounting pattern.
#3 What version are the hdmi ports, also is there any support for enhanced audio return channel (earc) or 'next gen tv' atsc 3 ?
This TV features HDMI 2.0 ports and does not currently support eARC. TCL TVs continue to feature digital TV tuners with advanced program guides and an available live TV pause feature from broadcast channels. There are no plans to support ATSC 3.0 tuners.