Features 1、Universal Compatibility: Fits any optical telescope or microscope with an eyepiece diameter of 24mm-50mm.Simply rotate to connect with your telescope or microscope. 2、Built-in WiFi: Connect to the device/u0027s WiFi hotspot for easy browsing and control via your smartphone. 3、High-Quality Imaging: Equipped with a 4MP sensor, it supports up to 16MP static photos and 2.5K high-definition video recording. 4、Versatile Functions: Features include timed photography and time-lapse video recording. 5、Long Battery Life: The built-in 1500mAh lithium battery supports 4 hours of video recording. This 4MP High Clear WiFi Electronic Eyepiece is a universal fit for any optical telescope or microscope, transforming them into powerful cameras for capturing stunning photos and videos of your observations. Features: Universal Compatibility: Fits any optical telescope or microscope with an eyepiece diameter of 24mm-50mm.Simply rotate to connect with your telescope or microscope. Built-in WiFi: Connect to the device's WiFi hotspot for easy browsing and control via your smartphone. High-Quality Imaging: Equipped with a 4MP sensor, it supports up to 16MP static photos and 2.5K high-definition video recording. Versatile Functions: Features include timed photography and time-lapse video recording. Long Battery Life: The built-in 1500mAh lithium battery supports 4 hours of video recording. Expandable Storage: Supports TF cards up to 128GB for ample storage space. Convenient Charging: The Type-C interface allows charging with any phone charger and supports power banks for extended use. Specifications: Material: ABS Engineering Plastic Eyepiece Diameter: 24mm-50mm / 0.9-2.0 in WiFi: 2.4G Sensor Type: CMOS, 4MP Capture Resolution: 4MP (2304*1728 pixels) Static Photo: 4MP/8MP/16MP Video Size: 2304*1728@30fps(2.5K) 1920*1080 @60 fps 1920*1080 @30fps Battery: Built-in 1500mAh Lithium-ion Polymer Battery Size: Diameter: 65mm / 2.6 in; Height: 50mm / 2.0 in Weight: 0.2 kg / 0.44 lb Package List: 1 x 4MP WiFi Electronic Eyepiece 1 x User Manual Package List 1 x 4MP WiFi Electronic Eyepiece 1 x User Manual