FIMI X8 SE RC Quadcopter Spare Parts Remote Controller Transmitter Description: Dimensions: 203.8x 91 x 46.6mm Weight :370g Operating frequency: 5.725-5.850GHZMax controllable distance: About 5000m Battery: 3900m Ah lithium battery Nominal voltage: 3.7 V Charge port type: Micro USBInput: 5V -2 A Package Included:1 x Transmitter