Vision Scientific VMLIFR-09B Black Adjustable 144 LED Ring Light for Stereo Microscope | 2.5" (62.5mm) Inside and 3.64" (92.5mm) Outside Diameters | 1-7/8" (48 mm in Diameter) Ring Adapter Included bee assortment of 3/ 4 inch

assortment of 3/ 4 inch

the one-port USB wall charger features an internal safety switch for ultimate protection of connected mobile devices

LCD panel key switch

strong and safe enough(smooth polishing

Vision Scientific VMLIFR-09B Black Adjustable 144 LED Ring Light for Stereo Microscope | 2.5" (62.5mm) Inside and 3.64" (92.5mm) Outside Diameters | 1-7/8" (48 mm in Diameter) Ring Adapter Included bee assortment of 3/ 4 inchVision Scientific VMLIFR 09B Black Adjustable 144 LED Ring Light for Stereo Microscope 2. 5" (62. 5mm) Inside and 3. 64" (92. 5mm) Outside Diameters 1 7 8" (48 mm in Diameter) Ring Adapter Included 144 LED intensity adjustable ring light for stereo microscopes with mounting size 2. 4" (61mm) in diameter. The ring light has 2. 5" (62. 5mm) inside and 3. 64" (92. 5mm) overall outside diameters. It works with power supplies from a 100 240V and comes with