1、Rich Content: There is 22A controller, LCD7U panel, 130X thumb throttle, 8C power assist sensor included in the package, large quantity will be enough to meet your needs to upgrade your bike. 2、Specially Designed Housing: The controller housing is made of high quality metal with grooves designed to protect the internal circuitry from thermal overload due to good heat dissipation. 3、Practical Tool: During riding, the LCD panel will display many useful data, such as power display, battery voltage, backlight display, headlight display, brake display, riding speed, maximum speed, total one way distance, power assist sensor sign, 6KM/H thrust assist, cruising function, etc. 4、Application Scope: Suitable for 500W motor, mainly used for DIY electric bike, electric bike, electric scooter, folding bike, etc.; Easy to maintain, the lithium ion bike modification greatly enhances the pleasure of riding and is suitable for cyclists who like a challenge. 5、Easy to Use: Manufactured with accurate shape and size, has a close fitting, simple for installation and removal, will not take much effort or time. Item Type: Electric Bike Motor Controller Material: Aluminum Alloy + Plastic Color: As Picture Shown Application: for Bike Conversion Gross Weight: Approx.688g/24.3oz Product Size: Controller Box: Approx.126x66x38mm/5.0x2.6x1.5in, Panel: Approx.83x49mm/3.3x1.9in Controller Type: Square Wave Controller Controller Connector Type: Common Connector (Except Motor Waterproof Connector) Controller Rated Current: 11A Controller Maximum Current: 22±1A Controller Speed Setting: 1-4.2V Controller Brake Input: Low Level Applicable Motor Power: 500W 1 x Controller 1 x Panel 1 x Panel Manual 1 x Thumb Throttle 1 x Power Assistant Sensor 1 x Controller Wiring Manual