IDEC APW199D-W-120V is a 22mm panel indicator, functioning as a pilot light. This component features a white lens and operates at 120VAC. It is designed for panel mounting applications, providing visual status indication in control panels and machinery. The APW199D-W-120V is commonly utilized in industrial automation, building automation, and general control systems where clear visual feedback is essential for operational monitoring. The unit is supplied in bulk packaging.