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. Wide Compatibility: Fits most smartphones on the market, with or without a case, from small to large sizes. 4. Durable Construction: Soft padding protects the phone from three sides; screw lock secures the phone firmly and stably. 5. Protective Contact Surfaces: Contact areas are lined with soft material to prevent scratches and damage; enables use of smartphone as a video camera or image capture device for optical instruments. : 1. Enables smartphone use as a video camera and image capture device for lunar, planetary (e.g., Jupiter, Mars), and distant viewing applications. 2. Allows connection of various optical devices to smartphones for capturing photos and videos using built-in camera apps. Type: Monocular Model Number: Binoculars Telescope Suitable For: Binoculars, Mobile Phones Color: Black Material: Plastic Package Contents: 1 × Binoculars Bracket Note: Light and display differences may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.