Feature: 1. At night, use a yellow lens to prevent blinking and use black lenses to prevent daylight . 2. Soften the sun, strong sunshine will soften the driver may feel dizzy, temporary blindness, improve vision clarity, reduce vertigo, protect eyes and improve safety,effectively preventing snow blindness. 3. Reduce visual fatigue, drive for a long time, to stimulate the eyes, mirror can effectively protect our glasses health. 4. Suitable for use: No matter how much the sun visor tilts to the field of view, the day and night lens is directly switched, and it also has a shockproof effect. 5. Increase the lens thickness to prevent strong sunlight! Sunglasses and night vision combine: more powerful, more convenient to use, more space-saving. The lens can be rotated freely, adjust the lens according to your own perspective, easy to use, widen, thicken, safe driving. Description: Product size: approx. 32 * 14 * 2 cm / 13.39 * 4.72 * 0.78in Material: Lens: Acrylic, Button: ABS