Outdoor Horn Strobe, Two-Wire, Finish Red, Wall Mounting, Alarm Current 88ma-218ma (DC Max), Peak Output (dBA) 88 dBA, Flash (Candela) 15-115 cd Selectable, Depth (In.) 2 1/2 in, Height (In.) 5 5/8 in, Length (In.) 4 3/4 in, Width (In.) 4 3/4 in, Ambient Temp. Limits (F) -40 Degrees to 151 Degrees F, Humidity Range ( Percent RH) 10-93 Percent RH, Voltage 12 to 24V DC, Includes Universal Mounting Plate, For Use With Fire Alarm Panel