RBR/C B4 2.4GHz 4CH Radio Transmitter with B4A/B4B Mini RC Receiver for 124016 124017 RC Cars Boats Tank Vehicles Models

RBR C B4 2 4GHz 4CH Radio Transmitter with B4A B4B Mini RC Receiver for 124016 124017 RC Cars Boats Tank Vehicles ModelsDescription Brand Name RBR CItem Name B4 Radio Transmitter with B4A B4B RC ReceiverModel B4Receiver B4A 3 1CH B4B 4CH Optional Material Plastic and electronic partsColor BlackProduct Size Transmitter is about 190 113 70mm receiver is 122 18mm length is included with wire bind wire is 50mm lengthProduct Weight About 226gAppliction RC Cars boats tanks vehicles modelsSpecification Channel of Number 4CHChannel 1 DirectionChannel 2 Throttle forward backward brakeBuilt in antennaPowered Battery 4X 1 5V AA batteries not included The difference between B4A and B4B B4A 3 1 CH It means 3 channels simultaneously control 3 5 channelsB4B Standard 4CH Transmitter 4 channelsPackage Included 1 x B4 Radio Transmitter1 x B4A B4B RC Receiver Optional Version 1 xBind Wire