Feature: 1. Controller Housing: The controller housing is made of high quality aluminum alloy material with a grooved design, which protects the internal circuits from thermal overload due to good heat dissipation. 2. LCD3 Display: The LCD3 display is made of high quality ABS material, light, strong and durable, fine workmanship, good toughness and waterproof performance, providing better protection for the internal circuit. 3. Multi Function Display: The LCD3 display has a variety of functions that make it easier to see the data on the panel while cycling, such as battery display, backlight display, headlight display, brake display, ambient temperature, motor temperature, one way time, total travel time, current speed, average speed, maximum speed, riding distance, total distance, etc. 4. Application Mode: 22A controller kit is suitable for 500W motor. And suitable for DIY electric bicycles, electric vehicles, electric scooters, folding vehicles, etc. Bicycle lithium battery modification greatly improves riding fun, suitable for cyclists who like challenges. 5. Package Content: Bicycle lithium battery modification controller kit includes 22A controller + LCD3 display + 130X thumb throttle + 8C power assist sensor + 1 to 2 connecting line, 1 controller wiring manual. Specification: Item Type: 2A Controller LCD3 Display 1 to 2 Connecting Line Kit Material: Aluminum Alloy + ABS PlasticColor: As Pictures Shown Weight: Approx. 801g / 28.3oz Product Size: Controller Box: Approx. 125x65x40mm / 4.9x2.6x1.6inDisplay: Approx. 95x65mm / 3.7x2.6in Controller Rated Voltage: DC 36V/48V Controller Rated Current: 11A Controller Maximum Current: 22±1A Controller Speed Setting: 1-4.2V Controller Brake Input: Low Level Controller Low Voltage Protection: DC 30/40±0.5V Applicable Brushless Motor Power: 500W Connector Type: Full Waterproof Connector 1 To 2 Line Description: One end is connected to the controller, the other end is connected to the display and thumb throttle Controller Line Definition: 1. Red, black single wire: power wire 2. Black single large wire (9pin): motor wire 3. Black single wire (9pin): 1 To 2 wires 4. Black single wire (3pin): power assist sensor wire LCD3 Display Instrument Function Description: Up button, switch button, down button, battery capacity indication, backlight and headlights, brake display, one way time, total travel time, battery display, motor Celsius temperature, motor Fahrenheit temperature, ambient Celsius temperature, ambient Fahrenheit, 6km/h thrust assist, cycling speed (metric), cycling speed (imperial), max speed, average speed, distance (metric), distance (imperial), cycling distance, total distance, battery voltage, power assist sensor sign, cruise function. Package List: 1 x Controller1 x LCD Display1 x Display Mounting Bracket4 x Display Mounting Bracket Gasket2 x Display Mounting Bracket Screws1 x Display Manual 1 x Thumb Throttle1 x Power Assist Sensor1 x Controller Wiring Manual1 x 1 to 2 Connecting Line Note: 1. Modification kits must be fully waterproof kits.2. Please allow 1‑3mm error due to manual measurement. Thanks for your understanding.