Welcome to our store！</br> 1、Grooves Design: The controller housing is made of high quality metal with grooves design to protect the internal circuitry from thermal overload due to good heat dissipation. 2、Diverse Features: Brushless motor controller provides steady speed, responsive braking and directional change control. 3、Good Performance: High performance cable and interface, durable, ensuring long term use of low failure rate. 4、Simple Operation: Brushless motor controller is easy to install and use, with wiring identification instructions, usually suitable for 750W brushless motor. 5、Manufacturing Material: Made of high quality aluminum alloy material, it is strong and durable, which undoubtedly extends its service life. <p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type:&nbsp;750W&nbsp;Electric&nbsp;Bicycle&nbsp;Controller Weight: Approx.409g / 14.4oz Material: Aluminum Alloy Controller Box Size: Approx.125 x 66 x 39mm / 4.9 x 2.6 x 1.5in Controller Type: Sine Wave Controller Connector Type: Common Connector Maximum Current: 25±1A Rated Voltage: DC 36V/48V Speed Setting: 1-4.2V Rated Current: 12A Brake Input: Low Level Low Voltage Protection: DC 30/40±0.5V Controller Line Color Definition: 1. Long Black Cable: Motor Cable 2. Red And Black Single Large Cable: Power Cable 3. Red, Blue, Black, Green And Yellow Five Cables Port: Meter Cable 4. Red And Black Cables (2pcs): Light Cables 5. Red And Blue Cable (2pcs): Power Off Brake Handle Cable 6. Red And White Cable: Throttle Dial Cable 7. Brown, Black And Yellow Cable: PAS Assist Sensor Cable <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Controller&nbsp; 1 x Manual&nbsp; Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>