Features:  With built-in lithium battery, can work continuously for 4 hours.  4.3 inches HD LCD display, which is convenient to observe more detailed details.  Supported language: English, German, French, Spanish, Italian, Japanese, traditional Chinese, simplified Chinese, Portuguese, Korean.  8 adjustable high brightness LED lights can work up to 100 thousand hours, which have a long service life.  Support inserting memory card to take photos and video for network sharing and computer saving.  The stand is very stable up and down adjustable and you do not have to worry about the shaking outside.  Wide usage: board repair, print inspection, money check, learning and exploring, insect observation, jewelry identification.  Dual power supply mode, lithium battery can be used for power supply or connected to power supply.     Specifications:  Material: metal+plastic;  Main color: black;  Image sensor: 2M fine quality image sensor;  Magnifications: 50x, 500x;  Display: 4.3 inches TFT panel, 16:9;  Focusing range: 0-40mm;  Foucus mode: manual;  Resolution: 1920*1080, 1280*960, 640*480;  Micro TF card slot: support Micro TF card (not equipped with this unit) up to 32GB, including FAT, FAT32 two file formats;  Data format: JPG/AVI;  Light source: 8 LED lights (adjustable brightness);  Frame rate: 30fps;  Interface: USB2.0;  Lens structure: 2G+IR;  Aperture: F4.5;  Lens angle: 16°;  Power supply: 1 * lithium battery, 3.7V, 1500mAh (included);  Power source: DC 5V;  Rated voltage: AC 110-240V;  Battery continuous working time: about 4 hours;  Charging time: about 4 hours;  Stand size: 156 * 122mm / 6.1 * 4.8in;  Package size: 210 * 210 * 135mm / 8.3 * 8.3 * 5.3in;  Package weight: 714g / 1.6lb.     Package Include:  1 x LCD Digital Microscope;  1 x USB Data Cable;  2 x Slices;  1 x Cleaning Fabric;  1 x User Manual.