1. 10 - 30x magnification and wide field of view ZOOM telescope provide a more comfortable, larger field of view, sharper details for an unparalleled viewing experience. Perfect for hiking, camping, bird watching, sports, concerts, travel, scenic viewing. 2. Our 10 - 30x42 ZOOM telescope features advanced Fully Multi - Coating technology and large BAK4 prism lens, to increase the amount of light transmission and reduce unnecessary light reflection, and provide clear, Good - contrast, color - accurate images at the same time. Whether you wear glasses or not, this ZOOM telescope can provide a nice view during your outdoor adventures and you won't be dizzy even after watching for a long time. 3. Monocular comes with Good - quality smartphone holder and sturdy tripod which can be adjusted to two different angles and 3 kinds of length as you like. Professional design, easy to install, ensuring clearer, brighter and shakeless images. 4. 10 - 30x42 ZOOM telescope Good - Power ZOOM telescope telescopes is equipped with a real 16mm eyepiece and a 42mm large objective lens, which can achieve a maximum ZOOM telescope effect of 30 times, farther and clearer. It has a top - level wide field of view and can be used with your smartphone to get ultra - clear images and record them, which is very convenient for you to do some observation and monitoring activities when traveling outdoors, such as observing birds, hiking.