Generic Universal Tv Ir Remote Control Decoder Tester Infrared Remote Control Testing

(1) How to confirm different TV remote controls can be compatible with each other? (2) My TV remote control doesn't work, if you don't have the one I need, which model can take place of it? (3) I am a reseller, sometimes some models don't have stock, so I need to know which models are Compatible with eachother, so that I can recommend the one I have stock to our customer, Ok, How to know? (4) I am a reseller, as we know universal remote control is very cheap, but it has many models in market, how torecommend the correct one to our customer? This TV IR Remote Control Decoder help you solve these above problem!