This is an adapter to mount in your Spektrum DX3E to mount your phone, tablet or other gadget.in the designs are included an support for BQ Aquaris E4.5 with rubber bumper mounted, and a hole to mount 3dr radio.The only extra parts that you need is:1Un Bolt DIN 931 /933 M5x601Un Nut Din 934 M52Un Bolt DIN912 M3x4