Specification: 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: 17±1A Controller Speed Setting: 1-4.2V Controller Brake Input: Low Level Controller Low Voltage Protection: DC 30/40±0.5V 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. Package List: 1 x Controller 1 x LCD3 Dispaly 1 x Dispaly Mounting Frame 4 x Dispaly Mounting Bracket Gasket 2 x Dispaly Mounting Frame Screw 1 x Dispaly Manual 1 x Thumb Throttle 1 x 8C Power Assist Sensor 1 x Controller Wiring Manual