1,Provide Better Observation: The 3in display brings greater working space and more accurate presentation of details. The 1000X focusing silver focusing wheel can be operated by one hand with a glossy and delicate feel. 2,Adjustable Light: 8 high brightness LED lights is easy to deal with various scenes, can be used day and night. There is an up and down adjustment wheel on the right side of the microscope, which can adjust the light brightness. 3,Easy to Use: The base is equipped with a metal clip and a size detection tool, which makes your operation easier. The pulley on the support can be adjusted up and down easily, so that you can work more freely. The microscope can be powered by 18650 battery or connected to power supply. 4,Support Small Memory Card: The microscope supports small memory card, and the expandable memory can be used for more storage. The maximum expandable memory is 64G to meet your storage needs. 5,Widely Applicable: The microscope is widely used in jewelry identification, beauty, printing, biological research, learning and observation to explore and discover a different world. 1 x Electron Microscope1 x Adjustable Bracket1 x Support Rod1 x Base1 x CD1 x Charging Line1 x Instructions Item Type: Electron microscopeMaterial: Plastic, metalWeight: Approx. 642g/ 22.6ozPC Resolution: 640x480 26fps, 1280x720 26fpsRecording Resolution: VGA 720Photographic Resolution: VGA 1.3M 2M 3MBattery: 2000mAh 18650 battery(Shipped with built in battery)LED Lamp: 8 high brightness LED lampsFocusing Mode and Focusing Range: Manual focusing 10-40mm/ 0.4- 1.6inSmall Memory Card: Up to 64GB(Excluded) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.