describe: high quality Made of high-quality materials, sturdy and durable Plastic material: Plastic shell with fine workmanship, good toughness and waterproof performance, provides better protection for the internal circuit and is more durable. LED display panel: The LED display panel has sensitive buttons, easy operation, intelligent power display, real power, and real-time recording of power consumption and riding mileage. Gear memory function: High, medium and low simulated thrust come from the switch gear and gear indication display. It has a gear memory function and can automatically restore the gear state when the power is off. Wide application: compatible with 36V voltage, suitable for 22.2mm handlebars, perfect accessory for electric bicycles, etc., suitable for JN controller electric bicycle motor kit. Colour: Black Material: ABS Type: 36V Dimensions: 8.1 x 4.3 x 4.7 cm Package Contents: 1 x Electric Bike Display Contains only the above package contents and does not include other products. NOTE: Light reflections and different monitors may cause the color of the item in the picture to differ slightly from the actual item. The measurement allowance is +/-1-3cm.