Features 1、Aluminum Housing Controller: As the controller shell is made of aluminum alloy with grooves, it can dissipate heat quickly and avoid thermal overload, thus protecting the internal circuit. 2、Stable and Reliable: The voltage is 12V, the rated power is 500W. The controller has undervoltage protection, over current protection, stall protection and other protection functions, ensuring the use and safety of electric bicycles. 3、Sensitive Control: The brush motor controller can provide stable speed and sensitive control over braking and direction changes, ensuring your riding safety and smoothness. 4、Wide Application: The controller and thumb throttle is applicable to electric bicycles, electric tricycles and electric motorcycles. The thumb throttle is suitable for 12V‑99V lithium battery, water battery, dry battery and other batteries. 5、Pay Attention: Please be sure to control the connection of the controller function cable. Do not simply connect the controller color. Once the wrong connection is made, the controller or thumb throttle will be damaged. Item Type: Electric Bike Thumb Throttle Set Material: Aluminum alloy, rubber, ABS Weight: Approx. 584g/20.60oz Controller Type: Brush controller Thumb Throttle Voltage: 12V-99V Rated Power Of The Controller: 500W Rated Voltage Of Controller: 12V Package List 1 x Controller 1 x Thumb Throttle 2 x Key 1 x Headlight 1 x Switch 5 x Wiring Plug Sleeve 10 x Accessories