Waterproof High Brightness UL CE Certified LED Pilot Lamp and LED Indicator Light for Industrial Control Panels Waterproof Indicator Lights UL CE Certified LED Pilot Lamp High brightness 16mm and 22mm signal lights designed for industrial control panels with comprehensive certifications and robust construction. Product Features UL CE Certified LED Indicator Light available in 16mm and 22mm sizes Universal Voltage compatibility: 6V, 12V, 24V, 110V, 220V, 380V for diverse power