Material: This electric bicycle LED display is made of durable plastic, sturdy and resistant to damage. Display: The speed control panel displays driving speed and bicycle power. Spare Part: This electric bike controller can be used as a replacement part to repair old or damaged components. Easy Installation: Lightweight design allows for simple installation on your bike. Wide Compatibility: Suitable for most electric bikes and scooters. Specifications: Line Color Definition A: Red Positive power, Black Negative power, Blue Controller electric door lock, Green Gear signal. Line Color Definition B/C: Red Positive power, Black Negative power, Blue Controller electric door lock, Green Gear signal, Yellow Light positive, White Lamp negative. Material: ABS. Color: Black. Voltage: 24V/36V/48V. Size: Approx. 8.1 x 4.3 x 4.7 cm (3.18 x 1.69 x 1.85 inches). Note: Slight color variations may occur due to screen resolution differences. Minor measurement deviations may exist due to manual measurement. Package Includes: 1 Piece Electric Bicycle LED Display.