... RF duplicating remote control 1.Frequency:260~490mhz; 2.voltage:DC6V; 3.Distance:50~80m; 4.CE,Rohs omnipotent duplicating remote controller ... at the same time, two seconds later, LED flashes three times, followed by a continuous ... A-A’,B-B’) three seconds later, LED indicator light flashes three times, followed by a ... C at same time , 20 seconds later, LED indicator light flashes three times, followed by ...