Features: 4K High-Resolution Imaging: Use this night-visions electronic telescopes eyepiece to experience wonderful 4K resolution, perfectly capture-fascinating images Wireless WiFi Connectivity: Our electronic eyepiece camera has a built-in WiFi hotspots for easy connection for remote control. Portable: This spotting-scope eyepiece comes size is in small size, very easy to carry. Wide Application: Go photographing your favorite birds or animals with our wireless spotting-scope camera! .EASY INSTALLATION: Easily mount the camera on optical telescopes and microscopes with 22mm‑46mm eyepieces, transforming your device into a camera for capturing stunnings images and videos. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement 3. Product does not include memory card Description: Screen size: 3 inches Digital zoom: 4X Optical Zoom:4X Viewing distance in total darkness:0.5m-800m Daylights Viewing Distance:0.5m-infinite distance Eyepiece aperture:22mm-46mm Battery capacity: 850mah Size: 87x55x62mm Package List: 1x Wireless Electronic Eyepiece Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.