Type of horn DISC HORN Diameter of the horn D1 (mm) 112 Minimum voltage U1 (V) 48 Type of operation ELECTRICALLY OPERATED Tone height LOW Number of connections 2 Type of connections FASTON 6,3MM WITH CAP PROTECTION Type of mounting STRAIGHT BRACKET Width of the horn W1 (mm) 54 Height of the horn H1 (mm) 128 Diameter of the mounting hole D2 (mm) 10.6 Volume (dB) 116 Tone frequency (Hz) 335 Accessories present NO E-approved NO CE-approved NO