Features1Heat Dissipation Controller Housing: The controller housing is made of metal material with a grooved design, which prevents thermal overload of the internal circuit due to excessive heat dissipation. 2Multiple Data Recording: The LCD GZ3 panel will display many useful data on your bike, such as single running mileage and running time, real time vehicle speed, battery power and voltage, gear indication total mileage, 6km/h boost and indication, real time running power, real time running current, fault, etc. 3Applications: This controller kit is suitable for 350W motor. And suitable for DIY electric bikes, electric scooters, etc. Suitable for 22.5mm diameter handlebar. 4Easy Installation: This electric bike modified controller kit is easy to install, and the instrument socket can be connected to the instrument interface of the controller to realize the function. 5Package List: Bike modification controller set includes 48V 60V 350W brushless motor controller and LCD GZ3 instrument. Bike modification kit greatly improves riding fun, suitable for cyclists who like challenges.SpecificationItem Type: Electric Bike Brushless Controller KitMaterial: Aluminum Alloy, ABSGross Weight: 352g / 12.4ozVoltage: 48V 60VPower: 350WCurrent Limit: 13ALow Voltage: 42V 53VApplicable Handlebar Diameter: 22.5mm / 0.9inPackage List1 xController1 x Panel1 x Manual