V3 switch. Compatible with all models for M365, 1s, essential, pro, Pro 2. The device can flash and modify firmware similar to official versions. M365 Downg V3.0 is currently the most stable and high-quality version available. The controller uses MOSFET components of the same model as original. Copper bars are added to reduce heat and prevent overheating or damage. The linear power supply chip withstands up to 86V, while the v1.4 power supply chip supports only 60V. Material: PC + metal. Color: blue. Package Contents: 1 x Enhanced V3.0 Controller Main Board (v3.0 Speed 30km). Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement allows an error of +/- 1-3cm.