The JR16-RYG-4 is a three-level LED stack light designed for visual status indication. It operates on a DC voltage range of 9 to 16 volts and features three distinct color levels: red (top), yellow (middle), and green (bottom). The total maximum current draw for all three lights is 145mA. Constructed with a durable 6/6 Nylon housing and lens, it is designed for panel mounting in a 22.5 mm hole via an M22 x 1.5 thread. With NEMA 3R, 4X, & 12 ratings and an operating temperature range of -30° to +60° C, this RoHS compliant device is suitable for industrial control panels, machinery, and automated systems.