Feature:1. High-quality materials, easy to install and use.2. The brushless motor controller is adopted, stable and mute, and is sensitive to the working state of the bicycle.3. Made of high-quality materials and has excellent technology, ensures good toughness and waterproof performance.4. Provide better protection for internal circuits and make it more durable.5. Professional manufacturing, stable performance andhigh reliability.Specification:Condition: 100% Brand NewItem Type: Dual Mode Brushless ControllerMaterial: aluminium Color: As picture shownController box size: Approx. 10.5x6.5x3.3cm/4.1x2.6x1.3inWeight: Approx. 265g Package List:1 xController