Without even trying to contact the manufacturer? That seems a bit strange as this industry changes day by day. You might find they are another version of Vizio, but you might find they are helpful, profitable (you may be able to supply the TV yourself and earn some money) and a good brand to add to the arsenal.
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw