Feature:1. Compatible for 7, for 10 / for OS X 10.13 and higher mobile phone compatible operating systems.2. Portable magnification is a useful and funny microscope for students, engineers, inventors, and others who need to magnify and explore the micro things.3. Builtin 8 LED lights, digital microscope's 2 adjusting knob can change the focus and brightness.4. Connected to the devices, you can use the software to record the micro world, screenshot and record video. Besides you can use for software's measurement function to measure the least bit.5. Made of high quality plastic and aluminum alloy material, durable for long time use.Specification:Condition: 100 Percent Brand NewItem Type: MicroscopeMaterial: Plastic + Aluminum AlloyColor: BlackSize: Approx. 14.5x10x5cm / 5.7x3.9x2.0in Model: TTE01502Image Sensor: CMOSImage Resolution: Maximum 640 x 480Focusing Range: 15mm-40mmFrame Rate: Up to 30FPSAvailable Image Format: BMP/JPGAvailable Video Format: AVIAdjustable Lighting: 8pcs built-in LED diodesPC Interface: USB3.0 / 2.0 / 1.1USB Power Supply: 5V DCCompatible for 7, for 10 / for OS X 10.13 and higher mobile phone compatible operating systems.Instruction: Instruction in Both Chinese and English is includedPackage List:1 x Microscope1 x Bracket1 x Ruler 1 x CD Driver 1 x Chinese and English InstructionNote:1. Please allow 1‑2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing sli