Features1[Fast Heat Dissipation] Electric bike controller housing is made of metal with grooves design for better heat dissipation and protection of internal circuit, thus avoiding thermal overload. 2[Waterproof Meter] LCD display meter is made of ABS material, lightweight and durable, with high toughness and waterproof, providing better protection for the internal circuit. 3[Multiple Applications] Motor controller and LCD display for DIY electric bikes and scooters, folding bikes, etc. Easy to maintain and greatly improves riding fun for cyclists who like challenges. 4[Multi Protection] Stable and reliable performance of the bicycle motor controller. With functions such as under voltage, over current and stall protection to ensure the use and safety of the electric bicycle. 5[Data Display] Multi function LCD display panel, it will show many useful data when riding the bike, such as on off button, light switch, battery level, etc. Suitable for 22.2mm handlebars, easy to install and use.SpecificationItem Type: Bike Controller LCD DisplayMaterial: Aluminum Alloy, ABSCurrent Limit: 50AController Power: 1500WMeter Parameters:Applicable Handlebar Installation: 22.2mm/0.87in Diameter HandlebarMeter Function Description: Display Function: Speed Display, Power Assist Gear Display, Power Indication, Fault Indication, Total Mileage, Single Mileage, Headlight DisplayPackage List1 x Controller1 x LCD Display Meter1 x Instruction Manual