Horn Siren,Alarm Horn,Car horn, horn speaker 1.Built-in audio ... .built-in SPI-flash Re-programmable Horn Siren,Alarm Horn,Car horn, horn speaker FeaturesAudio format : wav , 16bit, ... shielded cable as download DATA cable Applicationsalarm system, Bionic systems,Broadcast, Voice prompts and etc For more details, ... life-------------------- Re-programmable Horn Siren,Alarm Horn,Car horn, horn speaker