Electron Microscope 50X‑1000X WiFi Digital Microscope with Adjustable LED Light for Students Item Type: Electron Microscope Material: ABS Colour: Black Lens Optical Size: Approx.1/6.5in Signal to Noise Ratio: 42db Sensitivity: 2.5V/lx.s Photo Resolution: 640x480, 1280x720, 1920x1080 Video Resolution: 640x480, 1280x720, 1920x1080 Video Format: MOV Focus Mode: Manual Image Format: JPG Magnification: 50X-1000X Light Source: 8 LED lights (brightness adjustable) Focusing Range: Approx.10-40mm/ (distant view visible) WIFI Distance: Within 3 meter White Balance: Auto Exposure: Auto PC Operating System: For Windows XP 7 8 10, for OSx10.5 or higher Lens Structure: 2G+IR Aperture: F4.5 Lens Angle of View: 16° Interface and Signal Transmission Mode: Micro/usb2.0 Storage Temperature/Humidity: -20℃ to +60℃, 10%-80%RH Working Temperature/Humidity: 0℃ to +50℃, 30%-85%Rh Operating Current: ~250 mA Power Consumption: 1.25W APP Working Environment: For Android 5.0 and above system, for IOS 8.0 and above system WIFI Implementation Standard: 2.4Ghz (IEEE 802.11b/g/n) Battery: 18650 battery (built in) Battery Capacity: 800 mAh (capacity of single battery)