With built-in lithium battery, can work continuously for 4 hours.4.3 inches LCD display, which is convenient to observe more detailed details.Support inserting memory card to take photos and video for network sharing and computer saving.The stand is very stable 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.Specification:Material: metal+plasticMain color: blackImage sensor: 2M image sensorMagnifications: 50x, 1000xDisplay: 4.3 inches TFT panel, 16:9Focusing range: 0-40mmFoucus mode: manualResolution: 1920*1080, 1280*960, 640*480Micro TF card slot: support Micro TF card (not equipped with this unit) up to 32GB, including FAT, FAT32 two file formatsData format: JPG/AVILight source: 8 LED lights (adjustable brightness)Frame rate: 30fpsInterface: USB2.0Lens structure: 2G+IRAperture: F4.5Lens angle: 16Power supply: 1 * lithium battery, 3.7V, 1500mAh (included)Power source: 5VRated voltage: AC 110-240VBattery continuous working time: about 4 hoursCharging time: about 4 hoursStand size: 156 * 122mm / 6.1 * 4.8inPackage size: 210 * 210 * 135mm / 8.3 * 8.3 * 5.3inPackage weight: 714g / 1.6lbPackage Included:microscope*1