8mm Panel Mounting Indicator Lamps 24V 5mm LEDs Internal Reflector – Signal Construct SMZD08224, LED indicator for direct operation on the given nominal voltage. The series resistor required with standard LEDs is already inbuilt into the housing making standard wiring superfluous. And the chrome-plated brass housing, the wide working temperature range and long life make it incredibly versatile. Connection is by means of fast-on connections or soldering. Signal Construct SMZD08224 24V Recessed Green LED Indicator