Welcome to our store！</br> 1、Applicable Motors: Including various brands of high speed, differential, hub, toothed, toothless, brushless motors. 2、Dual Mode: Intelligent identification of motor Hall state, switch working mode, hall operation when the hall is normal, switch to no Hall operation when damaged. 3、Easy to Install: The electric bicycle brushless motor controller is easy to install, LED display design, suitable for 22.2mm / 0.9in handlebars. 4、Easy to Use: Easy to use and fine workmanship. Without any difficult requirements even though you use it for the first time. 5、Manufacturing Material: Made of high quality aluminum alloy, it is durable and strong, which undoubtedly extends its service life. 36V voltage, 450W power, 30V low voltage, 23A current limit. <p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type:&nbsp;450W Brushless Motor Controller Kit Weight: Approx.637g / 22.5oz Material: Aluminum Alloy Controller Box Size: Approx.11.4 x 8.5 x 4.5cm / 4.5 x 3.3 x 1.2in Voltage: 36V Power: 450W Current Limit: 23A Low Voltage: 30V Handlebars Size:&nbsp;Approx.22.2mm&nbsp;/&nbsp;0.9in <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&nbsp;Meter 1 x Manual 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>