USB White LED Light Lighting Bottom Light Lamp Source Biological Microscope Adjustable Lights Features:It has the characteristics of high brightness, long life, low heat, low temperature, soft natural light without flash, long life, energy saving, compact appearance and convenient installation.The brightness of the LED microscope ring lamp can be adjusted, making it an for ideal source for stereo microscopes, single-tube video microscopes and other optical instruments.Applications: Biological MicroscopeSpecification:Type: Microscope Lamp SourceMaterial: ABS Plasticfor Shell Dimension: app.4x4x4cm/1.57x1.57x1.57inColor: BlackQuantity: 1 PcNote:Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youPackage includes:1 Pc x Microscope Lamp Source1 Pc x Adapter1 Pc x USB Cable