high quality Made of high-quality materials, durable Plastic Material: Plastic shell, fine workmanship, good toughness and waterproof performance, providing better protection for the internal circuit and more durable. LED Display Panel: This LED display panel has sensitive buttons and is easy to operate, intelligent power display, true battery power, real time recording power consumption, to riding mileage. Gear Memory Function: High, medium and low analog thrust comes from switch gear and gear indication display, with gear memory function, can automatically restore gear state when power is off. Color: Black Material: plastic Package Contents: 1 x LED instrument Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.