Features:1Premium Material: Brush motor speed controller kit is made of premium aluminum alloy and rubber material, waterproof, high strength and durable. 2Excellent Performance: Professional manufacturing, exquisite workmanship, good heat dissipation, provide better protection for the internal circuit. 3Strict Standards: Built to greatly quality control standards, electric brush motor speed controller has stable performance and high reliability. 4Package: Includes 1pc electric brushed speed controller, 1pc throttle twist grip, 1pc electric door lock, 2pcs keys, can meet your needs. 5Wide Application: Electric motor controller set fit for wind turbine scooter, small electric car, cart, electric bike, go kart, electric tricycle, and so on.Package included:1 x Brush Motor Speed Controller1 x&nbspElectric Door Lock2 x Key1 x&nbspThrottle Grip