1This microscope has 4.3in display that allows you to see objects easily. 2It has 500/1000X magnification, and supports focusing adjustment. 3Designed with LED light, high quality optical lens helps to see clearly. 4Comes with a holder platform for convenient operation. 5Widely used for industrial PCB checking, jewelry appraisal, detecting, etc. 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: DM4Holder Type: Plastic holder, Aluminum alloy holder (Optional) Display: 4.3in Screen Max. Resolution: 720p Lens Optical Size: 1/6.5" Picture Resolution: VGA 1.3 M, 2 M, 3 M Video Resolution: VGA 720PData Format: BMP/JPGLight Source: 8 LED lights Magnification: 500/1000X Focusing Adjustment: 10-40MM PC Resolution & Image Transmission Rate: 1280*720/26FPSWhite Balance,Exposure: AutomaticSupported Language: 12 languages Operating Temperature: -20~+60 PC OS: For windows/xp/win7/win8/win10, for mac os*10.5 Lens Construction: 2G+IRDiaphragm: F4.5Lens Angle: 16 degree Card Slot: TF card slot Interface & Signal Transmission Mode: Micor,usb2.0Working Current: 330MA Power Consumption: 1.65W Power Supply Mode: USB power supply or 1 x 18650 lithium battery(NOT included) Weight: 670g~777g / 23.6oz~27.4oz (approx.)Package list: 1 * Microscope (battery is NOT included)1 * Holder1 * USB Cable1 * DVD (software, driver for PC)