describe: Specification: Lens coating: Fmc products Magnification: 8x Eyepiece diameter: 12 mm Objective lens diameter: 21 mm Field of view: 126m / 1000m (yards) Prism type: Bak 4, 100% reflected light can make the image clearer and brighter. Material: high-quality rubber, non-slip handwheel center design Weight: 200 grams Packing size: 12 X 9 X 5.5 cm Exit pupil distance: 10 mm Eye mask system: twist to match eye to eye Distance field of view: 7.2 degrees Package includes: 1 X binoculars notes: 1. Please don't do the opposite Use it correctly as shown in the picture 2. The night vision here means that you can use it when the aiming point is light. 3. In order for your child to align his eyes correctly, you can fold the binoculars correctly.