1Photo and Video: Comes with photo and video function, you can record the wonderful picture while observing. Manually adjust the focus ring until the screen image is clear and the non slip vertical pattern is smooth and sensitive. Focus distance sharpness range is ±4mm. 2With Screen Display: 2in HD color screen, the screen 75 degree angle freely adjustable, to avoid causing cervical spine pressure. Different from the traditional "eyepiece" observation, experience upgrades, viewing comfort, long time to see without fatigue, protection of eyesight. 3Multi Layer Coated Lens: Multi layer coated lens, effectively improve the clarity and color saturation, microscopic effect of high definition and delicate. 42 Levels of Adjustable Light Source: 6 LED lamps form a ring shaped soft circle, playing light evenly, clear observation, 2 levels of adjustment, dim environment can also be observed at will. 5Long Lasting Battery Life: High capacity Liion battery 700mAh, long lasting battery life, can be recharged in a cycle. Support rechargeable treasure, direct charging use, convenient for going out. 6Widely Used: This microscope can be used for teaching demonstration, outdoor observation, skin inspection, circuit observation, biological observation, coin observation.