8 times zoom telescope for phone' camera, which can adjust the focal length well. The telescope can be used as a monocular. Fit most kinds of mobile phones, include flip phones and bar phones, Phone has back camera, can be connected to the telescope through the clip. Mobile phone's quality of imaging can be improved evidently. Applicable to watch the game, concerts, tourism, observe animal lovers, news reporter long-distance shooting etc. Private detective taking pictures forensics, geological exploration, forestry management, railway port scheduling and etc. The product includes: one telephoto lens, one clip, one cleaning cloth. Notice: 1. Please use it care, because lens are adjusted accurately, the field of vision maybe not matched and picture will deflect, 2. Please don't drop into water. If it drops into water, please repair it quickly. 3. Please don't look at the sun absolutely, your eyes may be ache and blind sometimes.