Our product is mini monocular, made of material. Suitable for concerts, outdoor activities, bird watching, hunting, archery, hiking, camping, etc. Can be the perfect present for your friends or family who like telescope and they will love it. Features -Color: Green -Material: Metal and plastic -Size: 3.50X2.20X2.20cm/ 1.38X0.86X0.86inch -Made of premium plastic and metal materials, practical and durable for a long time use. -This monocular is big on power, performance, and good looks and can be your . -It's also super compact and lightweight for easy, take-anywhere portability. -Suitable for concerts, outdoor activities, bird watching, hunting, archery, hiking, camping, etc. -Can be the perfect present for your friends or family who like telescope and they will love it. Specification -Focusing method: Rotating focus. -Prism information: composite full optical lens. -Eyepiece diameter: About 8mm. -Objective lens diameter: About 17.5mm. -Magnification: 2.5X. -Field of view distance: 8m/600m. -Field of view angle: 6.5 degrees. -Exit pupil diameter: 16mm. -Exit pupil distance: 13.5mm. -Form: 3 pieces of 2-group objective lens. Package list: 1 x Telescope 1 x Storage Box