Welcome to the store! Store Name: Chong Qing Shuo Yue Ke Ji You Xian Gong Si V3 switch. Compatible with all models for m365, 1s, essential, pro, Pro 2. The program can flash and modify firmware like the official version. You can use M365 Downg. V3.0 is the most stable and high-quality version currently available. Our controller uses MOSFETs, the same model as the official version. Copper bars are added to reduce heat and prevent overheating and burning of the main board. The linear power supply chip can withstand 86V, while the v1.4 power supply chip only supports 60V. Material: PC+Metal Color: Blue Package Contents: 1 x Upgraded V3.0 Controller Motherboard (v3.0 Speed 30km). Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm. Your satisfaction is our top priority. We will provide you with the best service. If you encounter any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!