1. Rotating Horizontal Button: 55 mm - 98 mm width for mobile phone. 2. Universal Cell Phone Adapter Mount: Compatible with binoculars, monoculars, spotting scopes, telescopes, and microscopes. 3. Convenience: Fits most smartphones on the market, with or without a case, from small to large. 4. Advanced Material: Soft material protects your phone from three directions; screw lock secures the mobile phone firmly and stably. 5. Contact Surfaces: The contact surfaces that connect to the phone are covered with soft material to protect your device from scratches and damage; turns your mobile phone into a video camera or image capturer for distant viewing and close-up details. Features: 1. Turns your mobile phone into a video camera and image capturer for viewing the moon, Jupiter, and Mars; explore the amazing tiny world. 2. Allows connection of various optical devices to smartphones; use built-in camera apps to capture pictures and videos. Type: Monocular Model Number: Binoculars Telescope Suitable for: Binocular, Mobile Phone Color: Black Material: Plastic Package Contents: 1 x Binoculars Bracket Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real thing. Measurement allowance is +/- 1-3 cm.