The Model 572 Indicator LED provides a way to visually indicate an area is armed, a panic zone annunciation, or other zone alarm activation. The 572 Indicator is compatible with all DMP panels as well as panels from other manufacturers. The Model 572 is a solid-state, polycarbonate indicator LED with a builtin current limiting resistor and rectifier diode. Each individual LED is rated for 12 VDC power input with a current draw of 20mA