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 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 Supported language: English, German, French, Spanish, Italian, Japanese, traditional Chinese, simplified Chinese, Portuguese, Korean Specification: Material: metal+plastic Image sensor: 2M fine quality image sensor Magnifications: 50x, 1000x 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 x 122mm / 6.1 x 4.8in