Tork 24VDC Mechanical Horn APPLICATIONS: Loud tone with typical decibel output of 87 dB at 10 feet. Low frequency resonation for strong penetration of noisy areas like boiler rooms, water pumping stations, elevators and air compressor rooms. FEATURES: INPUT VOLTAGE: 24VDC. Wide input voltage ratings for compatibility with unregulated power supplies. INPUT CURRENT (AMPS): 0.035 WIRING: Screw terminals for convenient IN/OUT wiring. Low current draw for minimizing power supply and wiring cost. HOUSING: Steel, painted Dawn Mist. Resonant grill design for high sound output. WIRING: Low current draw. Horn may be wired separately. USE: For 24 hour or 7 day scheduling.