UNITED SCOPE LLC. AmScope LED-144S LED Adjustable Compact Microscope Ring Light with Adapter p/n LED-144S

THIS IS A 144-LED INTENSITY ADJUSTABLE RING LIGHT FOR STEREO MICROSCOPES WITH MOUNTING SIZE 2.4"" (61MM) IN DIAMETER. THE RING LIGHT HAS 2.4"" (61MM) INSIDE AND 4"" (100MM) OVERALL OUTSIDE DIAMETERS. IT WORKS WITH POWER SUPPLIES FROM A 100-240V AND COMES WITH A 1-7/8"" (48 MM 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 ALL STEREO MICROSCOPES. THIS KIT COMES WITH ONE YEAR WARRANTY AGAINST MANUFACTURING DEFECTS. FEATURES & SPECIFICATIONS UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" 144 BRIGHT WHITE LED BULBS LIGHTING DIRECTION CHANGEABLE VARIABLE INTENSITY CONTROL INTENSE AND FOCUSED SHADOW-FREE ILLUMINATION 100000 HOURS OF LIFE POWER INPUT 100-240V 50-60HZ AUTO SWITCHING FITS UP TO 2.4"" (61MM) MOUNT RINGS INSIDE DIAMETER OF THE RING LIGHT 2.4"" (61MM) OVERALL OUTSIDE DIAMETER 4"" (100MM) PACKING LIST UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" ONE 144-LED RING LIGHT ONE POWER ADAPTER ONE 48MM RING ADAPTER