Feature:1. High Performance: Wire and interface are durable, ensuring long term use and low failure rate.2. Easy to Install and Use: Equipped with wiring identification instructions, usually suitable for 250W brushless motors.3. 15A Brushless Motor Controller: Can provide stable speed and sensitive braking and direction change control.4. Groove Design: Outer shell is made of aluminum alloy. Due to its good heat dissipation function, it can protect the internal circuit and avoid thermal overload.5. Applicable Model: It needs to be used in conjunction with products with the same communication protocol, and only suitable for KT series products.Specification:Item Type: 15A Sine Wave ControllerColor: As Picture ShownMaterial: Aluminum AlloyController Type: Sine Wave ControllerConnector Type: Ordinary ConnectorMaximum Current: 151ARated Voltage: DC 36V/48VSpeed Setting: 1-4.2VRated Current: 7ABrake Input: Low LevelLow Voltage Protection: DC 30/400.5VWeight: Approx.251g/8.9ozController Box Size: Approx.82x52x31mm/3.2x2.0x1.2inController Wire Color Definition:1. Black Long Wire: Motor Wire2. Red and Black Single Big Wire: Power Cord3. Red, Blue, Black, Green and Yellow Five Wire Port: Instrument Wire4. Red and Black Lines (two): Light Wire5. Red and Blue Lines (two): Power off Brake Lever Wire6. Red and Black Lines: Thumb Throttle Wire7. Brown Black Yellow Line: PAS Speed Assist Sensor Wire.Package List:1 x Controller1 x Manual Note:It needs to be used in conjunction with products with the same communication protocol, and only suitable for KT series products. The motor does not need a brand, and the connector can be used.