... switch digital remote control switch 12v remote control light switch automatic light switch 4chanels wireless remote control switch This is DC12V 4ch wireless remote control switch ... 9ch,10ch,11ch and 12ch wireless remote control switch,AC90v~AC240v or DC12v voltage working circumstanceOur wireless ... door open/close,light ON/OFF2):Non lock model:[For example 4ch wireless switch]Press remoter button ...