Item Brand:DumboRCItem Number:X6(transmitter),X6F/X6FG(receiver)Product Size:160*100*205mmReceiver Size:35*20*13mmBattery:4X AA(not included)Channel:6CHFit For:Rc Car Boat Tank Model,such as mn-90 and so onModulation Mode: GFSKSpreading Mode: FHSS 67 channel pseudo-random frequency hoppingControl Distance: 400-500 metersRemote Control Voltage Range: 4.8-12vRemote Control Working Current: 80-120mAReceiver Voltage Range: 3.3-10VReceiver Operating Current: 30mARF Power: Less than 20dbmData Resolution: 4096 levels, 0.5us per levelVoltage Alarm: 7.4v|4.8vTransmission Frequency: 2.4GHz ISM band (2400MHz-2483.5MHz)Material:PlasticColor:Blue and blackPackage Contents:1 * RC Car Transmitter Remote ControlOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.