UNITED SCOPE LLC. AmScope LED-64S 64-LED Microscope Ring Light with Dimmer p/n LED-64S

THIS IS A 64-LED RING LIGHT WITH BUILT-IN INTENSITY CONTROL AND MOUNTING SIZE UP TO 2-3/8"" (60MM) IN DIAMETER. THE RING LIGHT HAS 2-3/8"" (60MM) INSIDE AND 4"" (100MM) OUTSIDE DIAMETERS. IT WORKS WITH POWER SUPPLIES FROM 110V TO 240V. IT COMES WITH A 1-7/8"" (48MM IN DIAMETER) RING ADAPTER. WITH VARIABLE INTENSITY CONTROL IT PROVIDES COOL EVEN INTENSE AND FOCUSED SHADOW-FREE ILLUMINATION. IT IS AN IDEAL DURABLE COOL LIGHT SOURCE FOR MICROSCOPES. THIS KIT COMES WITH ONE YEAR WARRANTY AGAINST MANUFACTURING DEFECTS. FEATURES & SPECIFICATIONS UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" 64 BRIGHT WHITE LED BULBS BUILT-IN INTENSITY CONTROL 100000 HOUR LIFETIME INTENSE AND FOCUSED SHADOW-FREE ILLUMINATION VARIABLE INTENSITY CONTROL MOUNTING SIZE UP TO 2-3/8"" (60MM) IN DIAMETER INSIDE DIAMETER OF THE RING LIGHT 2-3/8"" (60MM) OUTSIDE DIAMETER OF THE RING LIGHT 4"" (100MM) POWER INPUT 110-240V 50-60HZ AUTO SWITCHING PACKING LIST UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" ONE 64-LED RING LIGHT ONE POWER ADAPTER ONE 48MM RING ADAPTER