High-definition lenses, comfortable light source, bring healthy enjoyment to family We pursue user-friendly design concepts and create designs that match humans! Unique structural design, personalized appearance, more professional; high-quality materials, just to give you a better visual experience. Material: glass lens + plastic, size: 19 * 6CM, lens size: large lens 3x75mm, small lens 45x22mm Use 3 high-life LED white light, 3 AAA 7 batteries.