LED Ring Kit 1.6" OD

This neat kit is 1.6" outside diameter and 1.0" inside diameter. The ring is 0.30" wide. It has 12 LEDs which are wired as 2-in-series with a resistor. Each set is in parallel (6 sets of 2 LEDs).  

The PCB is 0.062" thick, FR-4 epoxy-glass, Plated Thru-Holes, Silk Screen on top layer, and Blue Solder Mask. It will operate from 6v  to 12 VDC. The PCB will fit 5mm or 3mm UV LEDs.

It comes as a kit and must be assembled. Includes a 9v Battery Clip. There is also an option to buy it already Built & Tested.