RAB Area Light A17 Wall Mount Kit (A17 WM) Tier6 Designed For Use With Millennium PS15AC4GRY Designed For Use With Millennium Class Multi Tone Signals Diode Polarized For Use In Signaling Circuits That Require Electrical Supervision Standard BL Compact Wet Location Polycarbonate Exit Sign Double Face Green Letters Black Housing Battery Backup (WLEZXTEU2GBEM CW SDT TP) This wall mount kit adapts A17 area light fixtures for direct mounting to a wall or building face where a pole isn't practical It works with the slide and lock arm hardware used on A17 area light fixtures and installs as a straightforward accessory during fixture setup