Visual Indicator Type Strobe, Voltage 12 to 24V DC, Indoor/Outdoor Indoor, Mounting Ceiling, Height 6.6875 in, Width 6.6875 in, Depth 2.625 in, Vibrating No, Housing Material Plastic, Operating Temp. 32 Degrees to 120 Degrees F, Standards UL, cUL, FM, CSFM, Amps 0.37, Color Red, Includes (8) Constant Directivity, Strobe