Product Description Material: Aluminum alloy + ABS Model: CM-4 Eyepiece diameter: 2.5-4.8 mm Mobile phone card slot size: 5.2-10 cm Mobile phone card slot rotation: 360 degrees adjustable Colour: Black Quantity: 1 pcs Package content: 1 pcs * mobile phone camera holder 1. Wide Range of Applications - The universal cell phone adapter mount is compatible with eyepieces that have an outer diameter of 25mm-48mm, suitable for binoculars, monoculars, astronomical telescopes, birdwatching binoculars, and microscope eyepieces. 2. Suitable for Most Smart Phones - The universal mobile phone adapter bracket has a large width range of 52mm-100mm, accommodating over 98% of mobile phone brand models. 3. Comfortable Design - The surface of the phone and eyepieces is coated with a soft material to prevent scratches or damage, ensuring more stability. The tripod can be connected to the screw port of the phone adapter. 4. Designed for Outdoor Activity Enthusiasts - This cell phone adapter mount is ideal for birdwatching, wildlife observation, flower viewing, whale watching, stargazing, photography, and observing astronomical phenomena. 5. Easy to Use - Simply align the cellphone lens with the riflescope lens, and you can easily explore the wonders of digital photography and the nature of the world through your screen.