Audible Alarm Type Horn Visual Indicator Type Beacon Voltage 24V DC Decibels 85 dB Sound Pattern Pulse Indoor/Outdoor Indoor Mounting Surface Height 7.375 in Diameter 6 in Vibrating Yes Lens Color Green Current Drawn 0.275 A Lens Material Polycarbonate Housing Material Cast Aluminum Lens Design Double Fresnel Flashes per Minute 65 Lamp Type LED Lamp Life 148 000 hr Operating Temp -31 Degrees to 160 Degrees F Standards cUL UL Horn Strobe