[wide range of applications]: single tube telescope can be connected to a mobile phone for telephoto photography and video recording, very suitable for outdoor bird watching, sightseeing, participating in sports events, camping, concerts, travel and other activities.(not available at night!) [material]: 2000x24 telescope mirror body is made of high quality rubber, which is wear resistant and drop resistant.the lens is made of optical glass, and the imaging is bright and clear. [packing list]: you will receive 1x telescope, 1x storage bag, 1x rope, 1x lens cleaning cloth. [monocular telescope]: 8 times magnification, stable imaging, comfortable observation.high transmittance, light transmittance can reach 98%, clear image, no dark corners and dark edges.fmc multi layer broadband coated lens, eliminate light reflection, increase light transmittance, filter blue light, protect the lens, bright and clear imaging [small and portable]: portable telescope measures 9cmx3cm/3.54inch x 1.18inch, small in size and easy to carry.it is an excellent item for those who love photography.