Edwards Signaling™ Lumatone® Electronic Signal, Pulsating Audio/Visual, Series: E100, 12 - 24 VDC, 0.016 - 0.03 A, 0.2 - 0.75 VA, 2.8 kHz, 90 dB at 1 ft, Panel Mount, 32 - 131 deg F Operating, High Impact Polystyrene, Black, 1-11/25 in Dia x 1-3/4 in W