1、Aluminum Alloy Controller Housing: The controller housing is made of high quality aluminum alloy with a grooved design, which protects the internal circuits from thermal overload due to good heat dissipation. 2、Display Meter Material: The meter is made of high quality ABS material, light, strong and durable, with fine workmanship, good toughness and waterproof performance, providing better protection for the internal circuit. 3、Multifunctional GD01 Display: The GD01 display is compatible with 36V and 48V voltage. While cycling, the GD01 display will display many useful data on your bike. 4、Display Function Description: Intelligent power display, truly reflect battery power, record power consumption in real time, guarantees riding mileage, headlight control, 3 level adjustment of backlight brightness, five speed gear control, mileage display, fault code display, power assisted mode 6km/h, etc. 5、Wide Range of Applications: 22A controller kit is suitable for 500W motor, suitable for DIY electric bicycle, electric vehicle, electric scooter, folding bike, etc. Easy to maintain, can improve the riding fun, suitable for cyclists who like challenges. 6、Bicycle Modification Controller Kit: Bicycle lithium battery modification controller kit includes 22A controller + GD01 LCD display + 130X thumb throttle + 8C power assist sensor. Item Type: Bicycle Lithium Battery Modification Controller LCD Display Kit Material: Aluminum Alloy + ABS Plastic Color: As Pictures Shown Weight: Approx. 570g / 20.1oz Product Size: Controller Box Size: Approx. 111x53x33mm / 4.4x2.1x1.3in Display Size: Approx. 80x47mm / 3.1x1.9in Controller Rated Voltage: DC 36V/48V Controller Maximum Current: 22A Controller Speed Setting: 1-4.2V Controller Brake Input: Low Level Booster: 1:5 Applicable Mtor Power: 500W Controller Wire Color Definition: 1. Yellow, green, blue single big head line: motor phase line 2. Red, white, black, blue, green, yellow double row six line port: motor Hall line 3. Red and black single big head line: power line 4. Red, blue, black, green and yellow single row five line port: display line (5pin) 5. Black and yellow lines (two): power off brake lever line 6. Red, black, white lines: thumb throttle line (3pin) 7. Brown, black and yellow wire: power assist sensor line (3pin) 8. Black and red lines (two): headlight lines GD01 Display Function Description: 1. Adopt two way communication protocol; 2. Real time speed display; 3. Kilometer/mile display; 4. Intelligent power display; 5. Headlight control; 6. 3 level adjustment of backlight brightness; 7. Five speed gear control; 8. Mileage display; 9. Fault code display; 10. Boost mode 6km/h 11. Parameter setting. 1 x Controller 1 x LCD-GD01 Display 1 x Thumb Throttle 1 x Power Assist Sensor 1 x Controller Wiring Manual