30w car megaphone speaker for emergency services

{"cid":"91219484","title":"Small Loud Car Megaphone Speaker For Emergency Services Traffic Control","imgUrl":"https:\/\/img.ismap.com\/nimg\/ad\/b6\/c0dfb856abadf5743580c8749b38-200x200-1.jpg","attrs":{"Brand Name":"OEM","Model Number":"JM-140UCA","Minimum Order Quantity":"100-300 Pieces","Delivery Time":"15-25 days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"5,000 Capacity Month","Packaging Details":"Packaging 1 Piece one color box , 30 Pieces per carton","Product Name":"Car megaphone speaker","Construction":"ABS Plastic","Color":"Red , Black, Yellow","Output power":"15W Raded \/ 30W Max","Function":"Talk , Siren\/Whistle , Record , USB\/MP3 , Bluetooth","Favorable Range":"0.45 KM","Dimension":"150 X 180 MM","working Voltage":"Car\/tricycle battery power supply 6-24V","Voice":"Public address ; Advertising ;Traffic control","Multi option for function\u00a0control":"Support USB , MP3\/WAV player or Bluetooth optional"}}