Powerful 8-40x40 High Telephoto Monocular Telescope Portable For Camping Product selling points: [Perfect & compact & lightweight]- binoculars for bird watching. Can be Used for both day and night (low-light- night vision, can't see anything in complete darkness). This binoculars can be folded into palm size so that it's easy to fit into a pocket or bag. [Large Field of View]- Focusing in on your for detail at 1000 yards out. Coating with Broadband coating and BAK4, it ensure imaging verisimilar. 8-24x magnification with 22 mm lens allows You to See Objects 12X's Closer with that Strikes into the Heart of Your Bird Watching [Close feeling]- BaK-4 Roof and fully multi-coated optics the light transmittance, and it also provides good control of optical reflection to create and colorful images., hyper- anti-slip grip gives you everything you want. [Top gift choice]- suitable for both adults and kids, fit for hunting, hiking, exploring, viewing, sailing, bird watching, concert, outdoor sports etc. It is wonderful to be a gift on Father's day and children's day. It's your choice. [Easy to Use]The center-focus knob makes it easy to adjust even for kids while allowing both eyepieces to calibrate separately for an even more unobstructed view. detaila: Magnification: 8-40X Diameter: 40mm Eyepiece Diameter: 22mm Pupil: 4mm Eye Relief: 14-12mm Field of View: 230-110FT/1000YDS FOV: 4.4-2.1 Mini Focus Distance: 2.5m Size: 155x50x50mm Wight: 230g Prism: BAK4 Coating: Color: Black Eye Cup: Twist-up Eye Cup Waterproof: Yes Tripod Connectable: Yes Connecting Phone: Yes Products include: 1 x Monocular telescope