Feature: 1. HD 4MP SENSOR: This telescopic eyepiece camera has a 4MP sensor that is capable of shooting detailed and clear images, supporting 2304x1728 (30fps) video recording and up to 24MP photo resolution. Suitable for astronomy observation, planet exploration, wildlife photography, and bird watching. 2. WIDE COMPATIBILITY: Easily connect to telescopes, monoculars, and microscopes with diameters from 1.10 inches to 1.97 inches (28mm to 50mm). This broad compatibility ensures the camera can be used with various telescopes, monoculars and microscope for different applications. 3. WIFI CONNECTIVITY AND APP: Built in WiFi hotspot allows real time viewing, photo taking, and video recording on your smartphone or tablet. Share beautiful moments with friends, family, and fellow astronomy enthusiasts. When setting up the app, if you are prompted to connect to a device on your local network, make sure to select "Allow"; If it is not allowed, the wifi connection fails. 4. PHOTO AND VIDEO SHOOTING: Telescope eyepieces support small memory cards up to 256GB for storing photos and videos. This allows users to shoot continuous footage of celestial bodies, planetary movements or microscopic specimens, providing a more dynamic and informative record of their observations. 5. TYPE C RECHARGEABLE: Built in 1000mAh li ion battery supports up to 2 hours of video recording. The eyepiece camera has a TYPE C interface for charging with any phone charger or external power source, allowing convenient and extended usage. Easy to install on telescopes, lightweight and portable for travel, hiking, camping, and outdoor exploration. 6. PORTABLE AND EASY TO INSTALL: Easily mount this WiFi eyepiece to your telescope with a slight rotation. Weighing only 89g, it is easy to carry, you can put it in your pocket or bag. Whether you are traveling, hiking, camping or exploring the outdoors, this eyepiece camera is your ideal companion as a monocular, binocular and telescope accessory to enhance your observing experience. Specification: Item Type: WiFi Electronic Eyepiece Camera Material: ABS Built in Battery: Li ion Battery 1000mah CMOS/SENSOR Pixels: 4 Million Recording Resolution: 2K/1080p Recording Frame Rate: 20 frames 1080/25 frames 2k Photo Resolution: 1920*1080/2304/1296 Video Format: MP4 Recording File Time: 1/3/5 WiFi Point to Point: Support Recording Time (WiFi on): 150 minutes Memory: Maximum support 256GB small memory card ( not included) Language: Supports all language mobile phone synchronization. Package List: 1 x Electronic Eyepiece 1 x USB Cable 1 x User Manual