Item Type: Electron Microscope Material: ABS Colour: Silver Lens Optical Size: 1/4in Signal to Noise Ratio: 37db Sensitivity: 4300mV lux sec. Photo Resolution: 640 x 360, 1280 x 720, 1920 x 1080 Video Resolution: 640 x 360, 1280 x 720, 1920 x 1080 Video Format: MP4 Focus Mode: Manual Image format: JPG Magnification: 50X-1000X Light 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: Auto Exposure: Auto PC Operating System: For Windows xp, for win7, for win8, for win10, for OS x 10.5 or higher. Lens Structure: 2G+IR Aperture: F4.5 Lens View Angle: 16° Interface and Signal Transmission Mode: Micro USB2.0 Storage Temperature and Humidity: -20℃- +60℃, 10-80%RH Working Temperature and Humidity: 0℃ - +50℃, 30%~85%Rh Operating Current: ~270 mA Power 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. 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. 1 x Electron Microscope Main Body 1 x Bracket 1 x User Manual 1 x Correction Ruler 1 x USB Data Cable 1 x Installation CD ( Including driver software, measurement software, system components, user manual)