Specification Brand : AmScope BulletPoint1 : Professional stereo microscope with boom stand has long working distance to enable users to perform work or manipulate large items, including circuit boards and dental appliances BulletPoint2 : Trinocular viewing head with pair of 10x super-widefield eyepieces, adjustable interpupillary distance, fixed 45-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to enable sharing BulletPoint3 : 0.7x-4.5x zoom objective provides continuous zoom magnification and longer focal length for inspecting large-scale specimens, and a 2.0x Barlow lens extends the magnification range BulletPoint4 : Ambient lighting illuminates the specimen, eliminating the need for power or batteries BulletPoint5 : Double-arm boom stand has 20" arms and 17" pillar to enable users to position the microscope head on three axes (X, Y, and Z) Color : clear ExternallyAssignedProductIdentifier1 : 013964501117 ExternallyAssignedProductIdentifier2 : 0013964501117 ExternallyAssignedProductIdentifier3 : 00013964500547 ItemName : AmScope SM-4TY Professional Trinocular Stereo Zoom Microscope, WH10x Eyepieces, 7X-90X Magnification, 0.7X-4.5X Zoom Objective, Ambient Lighting, Double-Arm Boom Stand, Includes 2.0X Barlow Lens ItemPackageDimensions_Height : 54 centimeters ItemPackageDimensions_Length : 51 centimeters ItemPackageDimensions_Width : 53 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-stereo-microscopes MagnificationMaximum : 90 Manufacturer : United Scope LLC. Material : Alloy Steel ModelNumber : SM-4TY NumberOfItems : 1 PartNumber : SM-4TY PowerSourceType : Battery Powered ProductSiteLaunchDate : 2011-03-03T08:00:00-00:00 RealAngleOfView : 45 degrees SupplierDeclaredDgHzRegulation : unknown Voltage : 240 volts