Worth Your Buying:-This item is a brushed motor controller, it can provide steady speed and sensitive control of braking and direction changes. Good accessory for cycling lovers. Don't miss it! Worth your buying!Warm Tips:-Please read the labels on the interfaces of the controller, make sure that every interface is rightly connected to what it matches.Features:-The controller shell is made of aluminium alloy with groove design, which can protect the inner circuit due to good heat dissipation feature to avoid thermal overloading.-The wires and interfaces are durable, and ensure low malfunction of long time use.-Suitable for electric bicycles, scooter, etc.Specification:-Material: Aluminium alloy-Rated Working Voltage: 36/48V-Rated Power: 250W-Current: 13A-Low Voltage Protection: 31/42V-Suitable Motor Phrase Angle: 60 / 120 degree-Suitable for: electric bicycle, scooter, etc-Size: Approx. 9 x 5.3 x 3cm / 3.5 x 2 x 1.18inch-Weight: Approx. 202gPackage List:-1 x Brushless Controller