EV RI 2 Category : Hooter SounderModel No : EV H1 View Pdf Contact Us Product Details SpecificationThe hooters shall be of electronic solid state type speakers cum siren having interrupted tone for ‘Alert’ & ‘continuous tone’ for evacuation alarm. The interrupted tone shall be ON for 3 seconds & OFF for 1 second. Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.Name *FirstLastContact Number *Email *Comment or MessageSubmit