Velleman-AC-Power-Voltage-LED-Kit-Velleman-MK181-The-Velleman-AC-Power-Voltage-LED-Kit-is-a-compact-mini-kit-which-allows-a-blue-LED-to-be-operated-directly-from-a-230 Vac-supply-offering-an-alternative-to-a-mains-operated-neon-indicator-This-PCB-must-be-housed-inside-a-case-or-concealed-inside-the-appliance-AC-Power-Voltage-LED-Electronics-Kit