tsunami warning system

{"cid":"91221953","title":"Portable Earthquake SMS Blaster Device Broadcaster Machine For Rescue Security Emergency Text","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/f7\/d19c6668a98d75b87f97e391327c-200x200-1.jpg","attrs":{"Price":"Contact Us","Brand Name":"PTC","Model Number":"PTC-SMS20","Minimum Order Quantity":"1set","Delivery Time":"10-20days","Certification":"ISO 9000","Place of Origin":"Shenzhen China","Payment Terms":"T\/T, Western Union","Supply Ability":"50000","Packaging Details":"Carton","Model NO.":"PTC-SMS20","Communition Frequency":"2G","Alarm Volume (within 1m)":"\u226580dB","Output Power":"Each carrier 20W","Distance":"100-1000meters","Function":"for Emergency Text Broadcasting","Control":"by PC & APP","Type":"Earthquake SMS Broadcaster"}}