Features1Circuits Protection: The controller housing is made of metal material with grooved design, it prevents the internal circuit from thermal overload due to good heat dissipation. 2Suitable for 22.5mm Handlebars: Easy installation, suitable for electric bikes, scooters, etc., with screen bracket, suitable for 22.5mm diameter handlebars. 3810LED Panel: Display contents include battery power indicator, electric door lock switch and electric door indicator, gear speed regulation and gear position indication, headlight control on or off and indicator light, power assisted mode 6km/h and indication. 4Parameters: The voltage of this electric bike motor controller set is 36V. Power is 250W 350W. Current limit is 13A. Low voltage 30V. 5Applications: Suitable for DIY electric bike, electric scooter, folding bikes, etc.; Easy to maintain, the lithium ion bike modification greatly enhances the pleasure of riding.SpecificationItem Type: Electric Bike Motor Controller SetMaterial: Aluminum alloy, ABSGross Weight: 345g / 12.2ozVoltage: 36VPower: 250W 350WCurrent Limit: 13ALow Voltage: 30VSuitable Handlebar Diameter: 22.5mm/0.9inPackage List1 x Controller1 x Panel1 x Manual