... Hope it will make more happiness for you.!!New transmitter with battery cover, only English wordParameters of ... receiver has 4 channels , and there are 3 pcs receivers(3*4=12 channels) for one districts. There ... has some problem, you could use others instead.6. It could divide into 100 districts (control ... . For example, if you need to control district ?1?, you have to adjust it to ?01? . Step fire?there ...