LED INDICATOR LIGHT KIT. This replacement LED indicator light and cable kit is designed to keep you confident in the performance of your PearlAqua Micro 6B and 12C UV-C sterilization units. Featuring a bright blue LED, it provides a clear, visual indicator that your system is actively purifying water. The kit includes a 1.5-meter cable with a secure barrel plug that connects directly to the AquiSense Control Box. For easy installation, you can mount the LED under the counter or, with a simple 10mm drilled hole, install it on your sink or countertop. This convenient setup keeps you in control of your water quality with a quick glance.