Description: Sine 3 Mode Controller: The Electric Bike controller adopts sine 3 mode control technology, which can control the speed and output of brushless motor more precised, achieve efficient driving effect Multiple Motor Adaptations: The controller is suitable for 36V500W, 36V750W, 48V500W and 48V750W brushless motors with without Hall, flexibly applicable to motors with different power and voltage requirements Material: The Brushless Sine Controller housing is made of aluminum alloy with grooves, which has good heat dissipation and durability and can effectively protect the wires from damage and avoid failure and safety problems caused by thermal overload. Powerful Current Carrying Capacity: The Sine Wave Controller can withstand a maximum current of 26A in a short period of time to provide stable power output and guarantee the normal of the motor, while the current will be cut off when the temperature is too high to protect the safety of the whole system. Stability And Reliability: Made of aluminum alloy material, the Brushless Motor Controller has good stability and reliability and can run stably under different conditions Specification: Material:aluminum Size Chart: 185x82x41mm/7.28x3.23x1.61inch Package Includes: 1 PieceBrushless Controller Note: 1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful online shopping!