【SUITABLE FOR】It is suitable for repairing and replacing for Segway Ninebot MAX G30 electric scooter controller module accessories parts. Perfectly replace the old damaged controller . 【APP】 It is compatible with the Mi mijia app and the segway ninebot app 【HEAT DISSIPATION】Controller shell is made of aluminum alloy, which can protect the internal circuit and has good heat dissipation to avoid thermal overload 【Waterproof】The dashboard of the Max G30 has a waterproof connector, and on the control board there is adhesive to improve waterproofness 【EASY INSTALLATION 】Easy to install and remove, without any professional requirements even though you are an amateur