Horn Strobe Marked Fire Finish White Flush or Surface Mounting Alarm Current 341 to 570mA DC 487 to 711mA FWR Peak Output (dBA) 96.6 dBA Flash (Candela) 95/115/150/177 cd Depth (In.) 13/16 in Height (In.) 4 1/2 in Length (In.) 2 3/4 in Ambient Temp Limits (F) 32 Degrees to 120 Degrees F Humidity Range ( Percent RH) 93 Percent RH Voltage 24V DC FWR Standards CSFM UL ULC