IPX grade 6 life waterproof: Lens cone sealed,the life waterproof of the mirror body effectively extends the service life of the waterproof mirror. AK4 high-transmittance prism: AK4 has a fine texture, which makes the imaging of the surrounding area more bright and clear. multilayer broadband Green film: High light transmittance, effectively reducing the lightrefractive index imaging is clear, and transparent. 28MM large eyepiece: The larger the , but the you enter, the clearer the small imaging can abundant details. 50MM Large Diameter: 50mm Large Diameter, Allow Light to Pass through Greater Imaging Clear and Bright, Lens Greater, Binoculars of Light, imaging Be More Bright. Mobile Phone Photo Recording: A retractable adjustable mobile phone holderis given as a gift, which can keep beautiful pictures when taking videos and photos. Note:Due to different production batches, if there are differences in screen printing, it not affect the use. Color:Black Material:plastic Package Contents: 1 * telescope 1 * mirror cloth 1 * mirror cover 1 * shoulder strap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.