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 and for 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 10 and above systems After connecting the product to the computer, select the pc camera on the magnifying glass. Then turn on the camera on the computer. If you don't have a camera, please download it from the store. for 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 , please go to the 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 memory card Color: Black Material: plastic Package Contents: 1 x magnifying glass with 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.