Features1Due to the good heat dissipation function, the internal circuit can be protected to avoid thermal overload. 2USB charging port has a maximum current of 300mA, which can charge mobile phones and so on. 3The shell is made of highquality metal with groove design, durable enough for long time use. 41000W brushless controller, LCD display, suitable for 22.5mm / 0.9in handlebars. 5Can provide stable speed and sensitive control of braking and direction changes.SpecificationItem Type: ControllerMaterial: Aluminum AlloyController Box Size: Approx. 18 x 8.5 x 4.5cm / 7.1 x 3.3 x 1.8inWeight: Approx. 890g / 31.4ozPower: 1000WCurrent Limit: 38AThread Color Definition:1 Red Power Positive2 Yellow Electric Door Lock3 Blue Signal4 Green Signal Closed5 Black Power Negative6 Brown Headlight Positive7 White Car Light NegativePackage List1 x Controller1 xDisplay1 x Manual