Item Type: Scooter Controller Material: Aluminum Alloy+PCB Size: Approx. 115x67mm/4.5x2.6in Weight: Approx. 277g/9.8oz How to Use: The controller wiring is generally the same color as the butt joint of the motor wire; the red and black wires correspond to the XT60 power supply, the green motor power wire, the blue motor power wire, and the yellow motor power wire. Electric Scooter Controller Board for Ninebot G30 Upgrade your electric scooter with this high-quality controller board. Designed for the Ninebot G30, it offers excellent heat dissipation and waterproof protection for reliable performance. How to Use: The controller wiring is generally the same color as the butt joint of the motor wire; the red and black wires correspond to the XT60 power supply, the green motor power wire, the blue motor power wire, and the yellow motor power wire. Specification: Item Type: Scooter Controller Material: Aluminum Alloy+PCB Size: Approx. 115x67mm/4.5x2.6in Weight: Approx. 277g/9.8oz Suitable for Ninebot Max G30 Electric Scooter Controller Module Repair and Replacement Package List: 1 x Scooter Controller 1 x Manual