4K High Definition: Experience wonderful 4K resolution and enhanced low light visibility with this night vision electronic telescope eyepiece for clear, detailed observations. Real Time Monitoring: Stay engaged with a 3 inch color display screen of the digital eyepiece that enables live viewing and precise adjustments for capturing optimal footage. Easy Installation: Effortlessly attach the electronic eyepiece camera to optical telescopes and microscopes with 22mm to 46mm eyepieces for seamless integration. Expandable Storage: Utilize small memory cards up to 128GB (not included) for continuous recording, ensuring long lasting storage capacity for your observations. Versatile Use: Perfect for capturing mesmerizing images and videos of the moon and planets, making this electronic telescope eyepiece an ideal tool for astronomical exploration. Item Type: Electronic Telescope Eyepiece Battery: Lithium Battery 850mAh (Shipped with Built in Battery) Charging Port: Type C Screen Size: 3 Inch Digital Zoom: 5 Levels Dark Field of View: 0.5m to 800m Objective Lens Diameter: 22mm to 46mm Resolution: 4K Small Memory Card Maximum Support: 128GB (Not Included) Colour:Black Material:Plastic Package Contents: 4 x Electronic Telescope Eyepiece(without memory card) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.