1. Complete functions, clear picture, fine workmanship, replaceable battery, can be connected to a computer, small and portable, and supports up to 12 languages.<br> 2. The overall design uses a 4.3-inch LCD screen, no need to connect to a computer.<br> 3. 8 LED lights are lit in low light conditions, and the brightness is adjustable.<br> 4. Power supply: 18650 battery<br> 5. Ultra-clear 2 megapixels<br> Product Name: DM4 Digital Electron Microscope<br> Screen size: 4.3 inch high screen<br> Sensor: High-performance optical<br> Main control chip: dedicated main control 16Bit<br> Lens size: 1/6.5inch<br> Picture resolution: VGA; 1.3/3/2M<br> Video resolution: VGA; 720P<br> Data format: JPG/<br> Focus Mode: Manual Operation<br> Image format: JPG/BMP<br> Magnification: 1000<br> : 8 LED lights (adjustable brightness)<br> Focusing range: 10~40mm (see the distant view)<br> PC resolution and image transmission rate: 640*480/26fps, 1280*720/26fps<br> white balance automatic<br> Exposure automatic<br> PC : xp, win7, win8.1, win10, for OSx10.5 or higher<br> Supported languages: 12 languages (English, Simplified Chinese, Traditional, Chinese, Portuguese, Japanese, French, German, Korean, Italian, Dutch, Russian, Spanish, Arabic)<br> Lens structure: 2G+IR<br> Aperture: F4.5<br> Lens angle of view: 16 degrees<br> Interface and signal transmission mode: Micro-usb2.0<br> Operating temperature: -20Celsius ~ +60Celsius<br> Working humidity: 30%~85%Rh<br> Working current: 330mA<br> Power consumption: 1.65W<br> Product size: 16X 12X6.5cm<br> Colour:black<br> Material:ABS+Metal<br> Size:16X12X6.5cm<br> Package Contents:<br> 1 x Microscope<br> 1 x Bottom plate<br> 1 x Metal rod<br> 1 x Adjustable stand<br> 1 x USB cable<br> 1 x Chinese and English manual<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.