HELLA Electric Horn M100 Set IAM100 02 is a super performance product. Has focused and penetrating tone. Specifications Resistance 3 m/ Ohm min , 500 meger Dimension 100 mm Sound pressure 113 5 dB (at 2m from source) Type of sound Disc Horn, Metalic Voltage 12V Frequency Low Tone / High Tone (350 20 Hz 415 20 Hz) Current consumption 3.5 Amp (Max). Voltage: 12V Current consumption: 3.5 Amp (Max) Frequency: Low Tone: High Tone: 35020 Hz 415 20 Hz Sound pressure: 113 5 dB (at 2m from source) Resistance: 3 m/ Ohm min , 500 meger Type of sound: Disc Horn, Metallic Life durability, As per IS1884: 1993 Dimension: 100 mm SUPC is SDL590261568.