1.20x ultra-high magnification: With a wide range of usage scenarios, it takes you into the microscopic world. 2.2-inch high-definition large screen: 178 ° viewing angle, supports wide color gamut, and displays clear and smooth images. 3.Supports memory card: Supports up to 4tb memory card expansion, allowing for storage of any number of photos. 4.High definition macro lens: Supports ultra close focusing distance and clear image. 16 led beads, with multiple adjustable lighting levels and support for ultraviolet illumination. 5.Can connect to a computer: Three pc modes, supporting for windows and for mac large screen operation for more intuitive operation. Wide range of applications: Suitable for children's teaching, natural exploration, coin identification, antique identification, reading assistance, circuit board maintenance, etc. Lamp beads: 16 pieces Battery capacity: 500mah Battery life: 2.5h Image format: jpg Working environment temperature: -20℃-50 ℃ Computer connection instructions: for Windows 10 and above systems After connecting the product to the computer, select the pc camera on the magnifying glass. Then turn on the windows camera on the computer. If you don't have a windows camera, please download it from the microsoft store. for Windows 8 and below systems After connecting the product to the computer, select the pc camera on the magnifying glass. Then open "Photo booth" On the computer. If the photo booth is not available, please go to the app store to download it Memory card function: 1.The product supports up to 4tb micro-sd card, with a write speed of 25mb/s or more and a fat32 format 2.Please format the memory card before first use 3.The insertion and removal of memory cards must be done while the machine is turned off, otherwise it may damage the me