Feature:1. 500X Magnification: This digital microscope has a magnification of up to 500X, the actual magnification depending on the screen size, the distance between the camera and the observation point2. Easy Assembly and Usage: This digital microscope is simple in structure and easy to assemble, and easily focusing and observing tiny details3. 3.5in Screen: This microscope is equipped with 3.5in screen, the specimen can be clearly viewed by slowly turning the focus wheel4. Applicable People: This digital microscope is suitable for adults, students and children, which is an ideal learning tool5. Multi Function: This digital microscope can be used to inspect coins stamps toys, observe rocks plants, repair printed circuit boards, etc.Specification:Item Type: Digital MicroscopeMaterial: ABSColor: White+BlackBattery: Removable 18650 battery (built in)Capacity: 800mAh (single battery)Data Cable Power Supply: SupportSmall Memory Card: Not includedMagnification: 500XLens Structure: 2G+IRField of View: 16 (depending on the lens)LED Number: 8pcs SMD3528 high brightness white light (brightness can be adjusted)Focusing Method: Manual adjustmentFocusing Range: 0-40mmImaging Distance: 3mm to very farSensor Size: Approx. 1/4inSignal to Noise Ratio: 37dbSensitivity: 4300mV/lx secVideo Recording Format: AVIVideo Resolution: 640x480, 1280x720, 1920x1080Shooting Picture Format: JPGPicture Resolution: 640x480, 1280x720, 1920x1080Working Range: 0-10m (open scene, occluded scene will affect the working range)Working Time: 90 minutes (full power state, battery life will affect working time)Charging Requirements: DC5V 1AOperating Current: ~260mAWiFi Working Environment: For Android 4.0 and above system, for IOS 8.0 and above systemSupporting Equipment Requirement: Support 2.4Ghz (8201.11b/g/n) wireless data transmission equipmentUSB Working Environment: For Windows xp 7 8.1 10 (32, 64 bit), for OS x 10.5 or higher (devices that support USB~UVC protocol can be used)Working Temperature: 0 - 40Storage Temperature: -20 - 60Working Humidity: 30-60%RH.Package List:1 x Electron Microscope1 x Bracket1 x Base1 x Extension Rod1 x Manual1 x USB Cable1 x Installation CD (including driver software, measurement software, system components, user manual)Note:Microorganisms such as sperm, cells, mites cannot be observed by this non biological microscope.