Level of acoustic intensity at 2 m distance: 113 dB (A). Energy consumption: 2 x 60 W @12 V | 2 x 72 W @ 24 V / M8 screw horn bracket. Operating Temperature: -40° C a 90° C (-40°F a 194°F). With flat connections of 6.3 mm, open, blade type. Approval: CCC