... , 5 tone/ 3 tone Electronic Horn with Microphone. Rated Voltage : 12V DC Electronic Horn with Microphone Specifications: 1> This electronic Warning siren is ... and amplifier; 2> DC 12 V;3> Output power: 60W4> Tone: Siren/police, horn, wail, yelp, ambulance.5> With microphone6> SPL: 130DBThis ...