Specification Brand : Generic BulletPoint1 : Number of lamp beads: 60. Light source: LED. BulletPoint2 : Hose length: 22cm adjustable. Diameter of fixing ring: 25mm and 32mm. BulletPoint3 : Lamp cap size: inner diameter 61mm, outer diameter 93mm, thickness 31mm. BulletPoint4 : We also offer a comprehensive selection of accessories designed to enhance your microscopy experience. From objectives to slide preparation kits, we have everything you need to optimize your microscope performance. BulletPoint5 : We are committed to customer satisfaction! We strive to answer your questions promptly within 24 hours. Trust us to provide a reliable microscope or microscope accessory that meets your needs. Color : One Color ExternallyAssignedProductIdentifier : 8731068078992 ItemName : Microscope 25MM/ 32MM LED Side Light Source Adjustable Brightness Universal Serpentine Ring Light for Industrial Video Electron Microscope(25mm) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-light-sources Manufacturer : Generic ModelName : BZCAIIEVC-25MM ModelNumber : BZCAIIEVC-25MM NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : BZCAIIEVC-25MM PowerSourceType : AC ProductDescription : Our microscopes and accessories are made of durable materials to provide long-term reliable performance. Light source: LED