System Sensor P2W 2 Wire Fire Alarm Horn/Strobe Std Candela White Go to amazon.com Related posts Top 10 best fire alarm horn strobe: Which is the best one in 2024? FeaturePlug in deisgnStandard settings: 15, 15/75, 30, 75, 95, 110, 115 cdSame mounting plate for wall and ceilingRotary switch for horn tone and chime selection DescriptionSYSTEM SENSOR P2W 2 Wire Horn/Strobe Std Candela White