Signal construct medw series super bright 5mm led panel indicators acdc signal construct medw4604 a red 24v acdc super bright led panel mounting indicator lamp that thanks to an integrated resistor and protection diode can operate at both ac and dc voltages the lamp has a highly reflective housing that aids in increasing the distance that the indication can be detected suitable as a replacement for standard incandescent lamps or to replace those indicator lamps having glass bases signa