The Balluff BNI0087 (BNI IOL-800-000-Z037) is a compact SmartLight LED stack light with an integrated sound module and IO‑Link 1.1 interface, ideal for modern machine status visualization and alarm signaling. Its single‑segment beacon uses configurable multi‑color LEDs (yellow, white, green, blue, red, orange) and supports flexible display modes like Chaser, Stack Light, and Flexi‑Mode to match your application needs. Easy to install with an M12x1 male, 4‑pin connector and M18 screw mounting, it operates on 18–30.2 VDC, delivers up to 95 dB/m audible alerts, and is rated IP30—a smart, space‑saving fit for control panels and HMI signaling. With a 5 ms process‑data cycle via IO‑Link, the BNI0087 enables rapid, on‑the‑fly reconfiguration and clear, high‑visibility status cues that keep production lines running smoothly.