Check the listing for details. System Sensor SRK Fire Alarm - Red. Condition: New, Made in United States. Listed at 77.50 USD. The System Sensor SRK Fire Alarm is a reliable and high-quality fire alarm system designed for commercial and industrial facilities. Manufactured in the United States by System Sensor, this model is known for its durability and excellent performance in detecting fires. The red color of the alarm signifies its importance in emergency situations, making it a crucial component in any fire protection equipment setup. With a focus on facility maintenance and safety, the System Sensor SRK Fire Alarm is a trusted choice for businesses looking to ensure the safety of their property and occupants.