YA50/D/RF/WR CLIFFORD AND SNELL AUDIO SIGNAL INDICATOR, 110DB, 24V, IP65; Tones:Multiple Tones; Supply Voltage V AC:-; Supply Voltage V DC:24V; Sound Level SPL:110dB; External Depth:128mm; IP / NEMA Rating:IP65; Operating Temperature Min:-35°C; Operating Temperature Max:66°C; Resonant