Features 1、Heat Dissipation: The controller enclosure is made of high grade metal with grooves to protect the internal circuit from thermal overload due to poor heat dissipation. 2、Controller Performance: Voltage 48V, rated power 800W, stable and reliable performance. With undervoltage protection, overcurrent protection, stall protection and other protection functions, to ensure the use of electric bicycles and safety. 3、Provides Steady Speed: The brushed motor controller provides steady speed while also providing sensitive control of braking and directional changes. 4、Wide Application: The controller is suitable for electric bicycles, electric tricycles, electric motorcycles, a wide range of applications, to meet the requirements of different models of use. 5、Rotary Handle Universal: Electric bicycle throttle grips are suitable for lithium batteries, water batteries, dry batteries and other batteries for your convenience. Item Type: Brushed DC Motor Speed Controller Weight: 577g/20.4oz Material: Aluminum alloy, metal, rubber Rated Voltage: DC48V Rated Power: 800W Package List 1 x Controller 1 x Twist Grip 1 x Handle 2 x Key