Feature:1. Better Viewing: Ensuring easy operation and clear image, this electron microscope enables better observation in experiment.2. Greater Detail: Manual focusing, auto white balance and exposure, 8pcs adjustable LED as well as 50X to 1000X magnification.3. Easier Working: You can easily connect the microscope to the computer and APP through USB cable to save the image and video.4. Practical Uses: Can be widely applied in the inspection and repair of circuit board, coins, jewellery, stamps, watch, etc.5. Great Learning: Can satisfy children's exploration of the microscopic world and leads them into this wonderful field.Specification:Item Type: Electron MicroscopeMaterial: ABSColour: SilverLens Optical Size: 1/4inSignal to Noise Ratio: 37dbSensitivity: 4300mV lux sec. Photo Resolution: 640 x 360, 1280 x 720, 1920 x 1080Video Resolution: 640 x 360, 1280 x 720, 1920 x 1080Video Format: MP4Focus Mode: ManualImage format: JPGMagnification: 50X-1000XLight Source: 8 LED lights (adjustable brightness). Focusing Range: Approx. 10 ~ 40mm / 0.39 ~ 1.57in (view the distant view)WIFI Distance: Within 3meter / 9.84ft, approx. White Balance: AutoExposure: AutoPC Operating System: For Windows xp, for win7, for win8, for win10, for OS x 10.5 or higher. Lens Structure: 2G+IRAperture: F4.5Lens View Angle: 16Interface and Signal Transmission Mode: Micro USB2.0Storage Temperature and Humidity: -20- +60, 10-80%RHWorking Temperature and Humidity: 0 - +50, 30%~85%RhOperating Current: ~270 mAPower Consumption: 1.35W APP Working Environment: For Android 6.0 and above systems, for OS X 8.0 and above systems. WIFI implementation standard: 2.4Ghz (8201.11b/g/n)Battery: Removable 18650 battery (with built in battery)Battery Capacity: 800 mAh (capacity of a single battery)Power Supply: Support power supply through data line. .Package List:1 x Electron Microscope Main Body1 x Bracket1 x User Manual1 x Correction Ruler1 x USB Data Cable1 x Installation CD ( Including driver software, measurement software, system components, user manual)Note:Micro organisms such as sperm, cells, mites, etc. cannot be observed by this non biological microscope.