This product takes in around 12 V of power to function. It has a low tone of around 6 Amp which is the maximum frequency in the low tone and the high tone has around 400 Hz-500 Hz. The sound pressure is at 110 dB and the resistance at 3 m/ Ohm min at 500 meger. The type of sound provided is trumpet and the harmonic dimension of the horn is 82 mm. You will easily be able to go ahead and use this horn for a long time due to the amazing service which it will provide you with.