Item Type: Digital Microscope Material: ABS Colour: Black + Silver + Transparent Product Magnification: 0X-1000X Lens Structure: 2G+IR View Field: 16 depending on the lens Number of LEDs: 8pcs SMD3528 high brightness white light adjustable brightness Focusing Method and Focusing Range: Manual adjustment, approx. 0 ~ 40mm / 0 ~ 1.57in Imaging Distance: Approx. 3mm / 0.12in to infinite. Sensor Size: 1/7.5in Signal to Noise Ratio: 45db Sensitivity: 3V / lx sec Video Recording Format: MP4 Video Resolution: 960 x 540, 640 x 480 Shooting Picture Format: JPG Working Range: Approx. 0 ~ 10m / 0 ~ 32.81ft open scene, occluded scene will affect the working range Working Time: Greater than or equal to 90 minutes full power state, battery life also affects working time Battery: 18650 lithium battery with built in battery Capacity: 650mAh capacity of a single battery Charging Requirements: DC 5V 1A Operating Current: ~270mA WiFi Working Environment: For Android 5.0 and above system, for IOS 8.0 and above system. WiFi Working Environment and Supporting Equipment Requirements: Support 2.4Ghz 8201.11b/g/n wireless data transmission equipment. Working Temperature: 0 degrees Celsius - 40 degrees Celsius Storage Temperature: -10 degrees Celsius - 60 degrees Celsius Working Humidity: 30-60%RH Storage Humidity: 10-80%RH Package List:1 x Digital Microscope Main Body 1 x Bracket 1 x User Manual 1 x Correction Ruler 1 x USB Cable Note:Micro organisms such as sperm, cells, mites, etc. cannot be observed by this non biological microscope.