System Sensor PC2RLED-LF L-Series Low Frequency Sounder Strobe, Ceiling Mount - Red, Marked "FIRE"

L-Series with LED platform offers the most versatile and easy-to-use line of Low Frequency Sounder Strobes in the industry with lower current draw and modern aesthetics. They are designed to address the NFPA 72 sleeping space requirements that require a low frequency notification appliance that operates within frequency range of 520 Hz± 10% and is of a square wave tone. 

Low frequency, sounder and strobe, ceiling mount, red, marked "FIRE".

Features:

• 520 Hz± 10% square wave tone, NFPA compliance
• LED Technology provides lower current draw 
• Electrically compatible with legacy SpectrAlert Advance and L-Series devices at 16 - 33VDC
• Digital Voltage Meter (DVM) diagnostic test points for Sounder Strobes and Sounders
• Field-selectable candela settings for sounder strobes units: 
     Wall= 15, 30, 75, 95, 110, 135, and 185 
     Ceiling= 15, 30, 75, 95, 115, 150, and 177 
• Rotary switch for High/Low, Temp3, Temp4, and Continuous settings. Sounder-only models also offer a Coded setting. 
• Plug-in design with minimal intrusion into the back box 
• Synchronization through use of UL approved power supplies that support System Sensor Sync or System Sensor MDL Sync Module 
• Mounting plate shorting spring checks wiring continuity before device installation 
• Compact, standard size for wall and round ceiling options
• Sounders listed for ceiling and wall