electric air hornSpecification 1.Powervoltage:6V,12V,24V 2.Powercurrency:3.0A 3.Soundlevel:from95db-110db(A); 4.Frenquency:L(335+-20Hz),H(400+-20Hz) M:(370+-20Hz) Our Features and advantages: 1. Big Production and supply ability 2. Good quality 3. we welcome the OEM Orders and ODM order 4. be ale to deisgn eaxctly according to customers request.. 5. Prefect after-service.