Features: Advanced sine waves EM100 controller delivers intelligent programming for customizable motor adjustments and robust 120A continuous current output, ensuring optimal performances in urban commuting and steep terrains. Engineered with alloy housing and optimized circuit design, this high performances controller reduces current loss by 15% while maintaining stable operation through enhanced heat dissipation technology. Perfect for DIY enthusiasts, competitive e scooter racers, and daily commuters requiring precise torque control and adaptive power management. Excels in challenging scenarios like sudden stops with 0.1s electronic braking response, steep hill climbs requiring 80Nm torque, and extended high speed rides. Compatible with 2KW-3KW electric motorcycles and modified scooters, featuring superior interference resistance for seamless integration across multiple EV platforms. Specifications: Type: Electric motorcycle brushless controller Component:Plastic Model: EM100 72350 72400 Voltage: 72V Rating power: 4000W Current: Maximumly release current 120A, phase current 350A Applicable scenarios: Suitable for electric motorcycles, motor scooters and other electric models. In electric vehicle competitions or competitive use, the programmable adjustment function helps racers achieve the best performances and win the competition advantage. Provide high-quality solutions for DIY enthusiasts, supporting personalizing modifications of various electric vehicles, bringing a unique cycling experience. Package Includes: 1 Set Electric Vehicle Controller note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.