Rated voltage: 24VDC
Operating voltage range: 16 to 33VDC
Selectable candela of strobe: 15, 30, 60, 75, 110
Reverberant dBA of horn at 10ft: 62 to 82 dBA
Anechoic room dBA of horn at 10ft: 100 dBA
Operating temperature range: 0°C to 49°C (32°F to 120°F)