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. Item Type: 15A Sine Wave Controller Color: As Picture Shown Material: Aluminum Alloy Controller Type: Sine Wave Controller Connector Type: Ordinary Connector Maximum Current: 15±1A Speed Setting: 1-4.2V Rated Current: 7A Brake Input: Low Level Weight: Approx.251g/8.9oz Controller Box Size: Approx.82x52x31mm/3.2x2.0x1.2in Controller Wire Color Definition: 1. Black Long Wire: Motor Wire 2. Red and Black Single Big Wire: Power Cord 3. Red, Blue, Black, Green and Yellow Five Wire Port: Instrument Wire 4. Red and Black Lines (two): Light Wire 5. Red and Blue Lines (two): Power off Brake Lever Wire 6. Red and Black Lines: Thumb Throttle Wire 7. Brown Black Yellow Line: PAS Speed Assist Sensor Wire 1 x Controller 1 x Manual