gyro north finder with true north determination

{"cid":"91210401","title":"Precise True Gyro North Finder Fiber Gyro Based North Seeker RS422","imgUrl":"https:\/\/img.chinax.com\/nimg\/9e\/7a\/efd2d546a1e7d0c82602c5be013c-200x200-1.jpg","attrs":{"Price":"8800","Brand Name":"Firepower","Model Number":"NF-B03","Minimum Order Quantity":"1","Delivery Time":"10 days for sample","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"100 per month","Packaging Details":"carton with sponge","Product name":"true north finder","North seeking accuracy":"\u22640.1\u00b0","North seek time":"\u2264 3 min","Horizontal accuracy":"\u22640.1 \uff081\u03c3\uff09","output":"RS422","Power supply":"9~36V","Weight":"1KG"}}

{"cid":"91198593","title":"High Performance Dynamic FOG North Seeker with Dynamic North Search Full Temperature Compensation and Magnetic Field Immunity","imgUrl":"https:\/\/img.chinax.com\/nimg\/10\/71\/0f56724b4424e1dd7a783ed8205d-200x200-1.jpg","attrs":{"Minimum Order Quantity":"1","Delivery Time":"10-15 WORK DAYS","Packaging Details":"WOODEN BOX","Pitch and roll measurement range":"-65\u00b0~+65\u00b0","Heading measurement range":"0\u00b0~360\u00b0","Payment Terms":"L\/C,T\/T","Supply Ability":"10 PIECES PER MONTH","Latitude":"-70\u00b0~+70\u00b0","Place of Origin":"CHINA"}}