PORTABLE: Lightweight

『Design of the Bike Mount』: The bike holder is adjustable

8 GHz is not supported in some regions

the mounting kit (which includes 4G antennas) must be used in conjunction

Package includes: 1 x bottom shell with led/battery housing/screws

Record Button Keyboard for DJI Smart Controller RM500 flight controller PORTABLE: LightweightOriginal replacement repair components spare parts for RM500 model remote controller(Mavic 2 Pro Zoom, Mavic Air 2, Phantom 4 Pro V2. 0, T20 T30 T10 M300RTK). Has two versions: black button for the old version and white button for the new version. Please check your controller before purchasing. Package include: 1 x record button keyboard (as you selected)