This is a continuous zoom digital microscope with a wide observation range. Magnification: 1 to 1000 times continuous magnification system, you can always find the right magnification to view the object. The video can be saved to a flash memory card (this card is not included). Object distance: 10mm to infinity (different object distance corresponds to different multiples). Built-in lithium battery, can work continuously for 4-6 hours. Specification: Material: ABS+metal Color: black + silver Bracket material: aluminum alloy metal Pixel: 8 million pixels high-definition Display: 4.3-inch high-definition LCD display Magnification: 1-1000 times continuous magnification system Video can be saved to flash memory card (please use card class 10 speed, card not included.) Object distance: 10mm to infinity (different object distance corresponds to different multiples.) Battery: 1*lithium battery, 2500mAh (inclusive) Working time: 4-6 hours Charging time: 6-8 hours Package Included: microscope*1 If you have any questions about the product, please contact me, we will contact you within 24 hours and give you a satisfactory answer.