Features1Sine Wave 3 Mode Controller: With self learning function, suitable for matching for Hall or non Hall brushless motors. It is applicable to 36V 500W, 36V 750W, 48V 500W, and 48V 750W motors, with or without Hall sensors. 2Metal Casing: Made of metal with a grooved design, which not only provides heat dissipation but also protects the internal circuits, thereby avoiding thermal overload. 3Panel Adopts ABS Material: Lightweight, sturdy, and durable. It is finely crafted and has nice toughness and waterproof performance, providing better protection for the internal circuits, making it more durable. 4Main Uses: DIY electric bicycle, electric scooter, folding car, etc. To meet the needs of different modification requirements. 5Add Riding Fun: Easy to maintain, the bike lithium electric modification greatly improves riding fun, suitable for cyclists who like a challenge.SpecificationItem Type:ElectricBike Controller KitWeight: 832g/29.3ozMaterial: Aluminum alloy and ABS plasticCurrent: 26 1APackage List1 x Controller1 x Panel1 x PanelManual1 xThumbThrottle1 x 1 to 2WaterproofCable1x PowerSensor1xPowerAssistedMagneticCoil1 x Instructions