Bullet_point = Mounts on a single-gang electrical box Provides audible and visual notification of an alarm condition Compatible with Space Age Electronics SL and SM Series duct smoke detectors Includes key for remote test/reset UK Listed for use with Air Products and Control duct smoke detectors including all RW-Series, SM-Series and SL Series duct smoke detectors UL URRQ. S7425 Approved CSFM 7300-1004: 107 Approved MEA 73-92-E VOL25 Approved (page 1 / 1)