1Good Heat Dissipation: The controller shell is made of high quality metal with groove design. Due to its good heat dissipation function, it can protect the internal circuit and avoid thermal overload. 2LCD3 Display: The LCD3 display has a variety of functions, making it easier for you to view the data on the panel. When riding a bicycle, the product will display many useful data on your bicycle. 3Data Dispaly: Battery display, backlight display, headlight display, brake display, ambient temperature, motor temperature, one way time, total travel time, current speed, maximum speed, riding distance, etc. 4Package List: The electric bicycle lithium battery conversion kit includes a 17A ordinary square wave controller + LCD3 display instrument + 130X thumb throttle + 8C power assist sensor combination kit. 5Applicable Model: This electric bicycle brushless motor controller is easy to install and use, suitable for 36V/48V 350W brushless motor electric bicycle lithium battery conversion. Item Type: Electric Bicycle Controller Display Kit Material: Aluminum Alloy + Plastic Product Size: Controller Box: Approx. 92x61x35mm/3.6x2.4x1.4in, Dispaly: Approx. 96x65mm/3.8x2.6in Controller Connector Type: Ordinary Connector (Except the Motor Line Is Waterproof Connector) Controller Type: Square Wave Controller Controller Rated Voltage: DC 36V/48V Controller Rated Current: 8A Controller Maximum Current: 171A Controller Speed Setting: 1-4.2V Controller Brake Input: Low Level Controller Low Voltage Protection: DC 30/400.5V Applicable Motor Power: 350W Display Function Description: up button, switch button, down button, battery capacity indicator, backlight and headlights, brake display, one way time, total travel time, power display, motor Celsius temperature, motor Fahrenheit temperature, environment Celsius temperature , environment Fahrenheit temperature, 6km/h thrust assist, riding speed (metric), riding speed (imperial), maximum speed, average speed, distance (metric), distance (imperial), riding distance, total distance, battery voltage, power assist sensor sign, cruise function. 1 x Controller 1 x LCD3 Dispaly 1 xDispalyMounting Frame 4 xDispalyMounting Bracket Gasket 2 x Dispaly Mounting Frame Screw 1 xDispalyManual 1 xThumb Throttle 1 x 8C Power Assist Sensor 1 x Controller Wiring Manual 1. The communication protocol of products must be applicable to products of the same brand.2. Please allow 13mm error due to manual measurement. Thanks for your understanding.3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.