Remote Alarm Accessory, 5-1/2" Length, Air Products & Controls, Mfr#: MSR-50RK/W

Remote Alarm Accessory, Finish Painted Enamel, Wall Mounting, Alarm Current 37mA @ 24V DC, Depth (In.) 1 1/2 in, Height (In.) 4 1/2 in, Length (In.) 2 3/4 in, Width (In.) 1 1/2 in, Voltage 24V DC, Standards CSFM, cUL, MEA, UL, Includes Pilot and Trouble, Remote Key Test Station with LED indicating Alarm, For Use With All APC Duct Smoke Detectors