DM4 2MP 500/1000X Digital Electronic Microscope 4.3" Display Magnifier with LED Light Features: This microscope has 4.3in display that allows you to see objects easily. It has 500/1000X magnification, and supports focusing adjustment. Designed with LED light, high quality optical lens helps to see clearly. Comes with a holder platform for convenient operation. Widely used for industrial PCB checking, jewelry appraisal, detecting, etc. Specification: Model: DM4 Holder Type: Plastic holder, Aluminum alloy holder (Optional) Display: 4.3in Screen Maximum. Resolution: 720p Lens Optical Size: 1/6.5" Picture Resolution: VGA 1.3 M, 2 M, 3 M Video Resolution: VGA 720P       Data Format: BMP/JPG        Light Source: 8 LED lights Magnification: 500/1000X Focusing Adjustment: 0-40MM PC Resolution & Image Transmission Rate: 1280*720/26FPS     White Balance,Exposure: Automatic   Supported Language: 12 languages Operating Temperature: -20℃~+60℃ PC OS: For windows/xp/win7/win8/win10, Lens Construction: 2G+IR                 Diaphragm: F4.5             Lens Angle: 16 degree Card Slot: TF card slot Interface & Signal Transmission Mode: Micor,usb2.0      Working Current: 366MA Power Consumption: 1.83A Battery: 1 AA battery (NOT included) Weight: 670g~777g / 23.6oz~27.4oz (approx.) Package list: 1 * Microscope (battery is NOT included) 1 * Holder 1 * USB Cable 1 * DVD (software, driver for PC)