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 point 2. Easy Assembly and Usage: This digital microscope is simple in structure and easy to assemble, and easily focusing and observing tiny details 3. 3.5in Screen: This microscope is equipped with 3.5in screen, the specimen can be clearly viewed by slowly turning the focus wheel 4. Applicable People: This digital microscope is suitable for adults, students and children, which is an ideal learning tool 5. 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 Microscope Material: ABS Color: White+Black Battery: Removable 18650 battery (built in) Capacity: 800mAh (single battery) Data Cable Power Supply: Support Small Memory Card: Not included Magnification: 500X Lens Structure: 2G+IR Field of View: 16° (depending on the lens) LED Number: 8pcs SMD3528 high brightness white light (brightness can be adjusted) Focusing Method: Manual adjustment Focusing Range: 0-40mm Imaging Distance: 3mm to very far Sensor Size: Approx. 1/4in Signal to Noise Ratio: 37db Sensitivity: 4300mV/lx sec Video Recording Format: AVI Video Resolution: 640x480, 1280x720, 1920x1080 Shooting Picture Format: JPG Picture Resolution: 640x480, 1280x720, 1920x1080 Working 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 1A Operating Current: ~260mA WiFi Working Environment: For Android 4.0 and above system, for IOS 8.0 and above system Supporting Equipment Requirement: Support 2.4Ghz (8201.11b/g/n) wireless data transmission equipment USB 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℃ - 40℃ Storage Temperature: -20℃ - 60℃ Working 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.