eg 4 5 ii geophone 4 5hz

{"cid":"91190354","title":"SM6 Geophone 4.5Hz Horizontal, 4.5 Hz geophone Sensor, Sensitivity 28.8 V\/m\/s","imgUrl":"https:\/\/img.ismap.com\/nimg\/c6\/4e\/32f474efc27ada94ca0c33a01abf-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"EGL","Model Number":"EG-4.5-II","Minimum Order Quantity":"1 pcs","Delivery Time":"10 work days","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"T\/T, PayPal\uff0cCredit card, Western Union","Supply Ability":"1000 pcs\/month","Packaging Details":"Carton","Frequency":"4.5Hz","Sensitivity":"28.8 V\/m\/s","Coil Resistance":"375\u03a9","Direction":"Horizontal","Diameter":"25.4 mm","Height":"36 mm"}}