MIRCOM SRKA SpectrAlert® Strobe, Standard cd, Red, Outdoor (includes plastic weatherproof back box)

Plug-in design. Same mounting plate for wall and ceiling mount units. Shorting spring on mounting plate for continuity check before installation. Captive mounting screw. Tamper resistance capability. Field selectable candela settings on wall and ceiling units: 15, 15/75, 30, 75, 95, 110, 115, 135, 150, 177, 185. Automatic selection of 12 or 24 V operation at 15 and 15/75 candela. Outdoor wall and ceiling products. Outdoor products rated from -40 to 66°C. Design allows minimal intrusion into the back box. Rotary switch for tone selection. 3 horn volume settings. Electrically compatible with existing SpectrAlert products. Outdoor products rainproof per UL 50 (NEMA 3R).