Features1Motor Controller: The controller in the kit is a three mode sine waving 9 tube brushless DC controller, matching with brushless motors with self study function. 2Adaptable Model: The controller is adapted to 24V500W, 24V750W, 36V500W, 36V750W, 48V500W, 48V750W with or without hall brushless motors. 3Recess Design: The controller housing has a recess design, made of nice metal, with heat dissipation to prevent thermal overload by protecting the internal circuitry. 4ABS Material: The meter in the set is made of ABS material, lightweight, sturdy and durable, fine workmanship, with toughness and waterproof performance. 5Applicable Scenario: This controller set is suitable for DIY applicable to electric bikes, electromobile, electric scooter, etc. It is easy to maintain and improve riding pleasure.SpecificationItem Type: Electric Bike Motor Controller KitMaterial: Aluminum alloy, ABS plasticAdapted Model: The controller is adapted to 24V500W, 24V750W, 36V500W, 36V750W, 48V500W, 48V750W with or without hall brushless motors.Package List1 x LCD Meter2 x Meter Washer2 x Screw2 x Nut1 x Meter Manual1 x Controller1 x Thumb Throttle1 x PAS1 x Manual