Outdoor Speaker Strobe Finish White Flush or Surface Mounting Alarm Current 106 to 319mA DC 120 to 386mA FWR Peak Output (dBA) 81/84/87/90 dBA Flash (Candela) 15/29/70/87 cd Depth (In.) 2 1/4 in Height (In.) 8 1/2 in Length (In.) 5 5/8 in Ambient Temp Limits (F) -31 Degrees to 150 Degrees F Humidity Range ( Percent RH) 95 Percent RH Voltage Speaker 25 or 70 Vrms Strobe 24V DC FWR Standards CSFM UL ULC