Characteristics: Eight bright white LED LEDs can be used day and night. Adjustable focus 0x-1000x, making one-handed operation more convenient. Universal rotating base, more stable observation. USB interface charging, get rid of cable problems. Widely used, it can be used in printing, biological research, observation science, beauty and other aspects. Technical data: Item Type: Electron Microscope Colour black Magnification power: 0X-1000X Field angle: 16 (depends on lens) Number of LEDs led: 8 pieces bright white light (bright white light) Bright white light: manual adjustment, 040mm Imaging distance: from 3 mm do infinity Sensor Size: 1/7,5" SNR: 45dB Sensitivity: 3 V/lux-sec Video Recording Format: MP4 Video Resolution: 640x360 Image Format: JPG Working range: 0-10m (empty stage) Power mode: built-in 650mAh lithium battery Wi-Fi working environment: Android 5.0 and above, IOS 8.0 and above Wi-Fi operating environment hardware requirements: Sopport 2.4gigahertz (8201.11b/g/n) Equipment do wireless data transmission Operating temperature: 0 -40 Storage temperature: -10 60 Operating Humidity: 30-60 percent RH Storage humidity: 10-80 percent RH Package Weight: 188g/6,63oz How to download the app: for Android: scan the QR code and select the appropriate version – “Google version” for international users, “Chinese version” for Chinese users or enter the website in your browser to download List of packages: 1 x electron microscope 1xUSB cable