4 5 hz geophone sensor

{"cid":"91190354","title":"Deep Seismic Prospecting Geo Phone 60 Hz Geophone Sensor","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c1\/4f\/98f2d8fffc16ee805604632a4818-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"EGL","Model Number":"Geophone 60Hz Vertical","Minimum Order Quantity":"1 sets","Delivery Time":"5-8 work days","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"T\/T, Western Union,PayPal","Supply Ability":"10000sets\/month","Packaging Details":"Carton","Natural Frequency":"60 Hz Geophone Sensor","Usage":"Deep Seismic Prospecting","Spike":"75mm","Lead-in Cable":"1 M","Cable O.D":"4.6mm","Other Name":"Geo Phone"}}