Discover the System Sensor SCRL L-Series, a top-tier line of indoor selectable output ceiling mount strobes marked with "FIRE" in a striking red. This series is renowned for its versatility and ease of use, featuring a plug-in design that minimizes back box intrusion and tamper-resistant construction for enhanced security. It offers automatic voltage selection between 12 or 24 volts and multiple candela settings (15, 30, 75, 95, 115, 150, 177) to suit various requirements. The horn is impressively loud at 88+ dBA at 16 volts, and installation is simplified with a universal mounting plate and a shorting spring that checks wiring continuity before installation. Compatible with both SpectrAlert and SpectrAlert Advance devices, this strobe is perfect for any setting requiring reliable and clear alerts. Upgrade your safety measures today!