An ideal method to warn an approximate 1.5 mile radius about an emergency situation. This Siren is an omni-directional siren for vertical mounting. The casing is made of stainless steel, which will give a long service life when mounted outdoors. Can be easily installed on a roof or pole by a local contractor and electrician. Powered by a DC motor or single phase motor. Sound Rating: 102±2dB(C) @ 100 Feet; Electric Motor: 1.5Kw, 48V DC or 110/220/230/240V AC, 50/60Hz; IP Rating: IP44; Output Frequency: 444/533±20Hz; Effective Warning Range : 1-1/2 mile diameter; Single Tone; Net Weight: 58 pounds; Carton Size: 22"x22"x30"