DumboRC X4 2 4GHz 4CH Radio Transmitter with X6F RC Receiver for JJRC Q65 MN 90 RC Vehicle Car Boat Tank Model PartsDescription Item Brand DumboRCItem Name X4 Radio Transmitter with X6F ReceiverModel X4Material Plastic and metalColor Blue and goldProduct Size 160 100 205mmReceiver Size 35 20 13mmBattery 4 x AA not included Channel 4CHFit For RC Car Boat Tank Model such as jjrc q65 mn 90 and so onModulation Mode GFSKSpreading Mode FHSS 67 channel pseudo random frequency hoppingControl Distance 400 500 metersRemote Control Voltage 4 8 12vRemote Control Working Current 80 120mAReceiver Voltage 3 3 10VReceiver Operating Current 30mARF Power 20dbmData Resolution 4096 levels 0 5us per levelVoltage Alarm 7 4v 4 8vTransmission Frequency 2 4GHz ISM band 2400MHz 2483 5MHz Support Receiver X6F X6FG X6F RC Receiver Material plastic and electronic componentsColor BlackProduct Size 35 20 13mm antenna length 106 mmChannel 6CHModel Car boat tankModulation Mode GFSKSpread Spectrum FHSSControl Distance More than 400 metersVoltage Range 3 3 10VWorking Current 30mACompatible with X6 TransmitterPackage included 1 x X4 Radio Transmitter1 x X6F Receiver1 x Manual