Wall Digital Signages

LCD Tv that attached to the wall and can play advertisement content continuously by using pendrive /internal hard disk or a signage program (not provided).
LCD Tv that comes internally with android OS, RAM, Flash storage and a speaker enough to run an advertisement.

What makes these different compare to other common domestic TV, the durability of the TV that can last longer by playing content continously and also these TV comes with a tempered glass cover so that the screen can be protected.