ota trailer gps tracker no monthly fee

{"cid":"91202006","title":"Wireless WiFi 4G Trailer GPS Vehicle Tracker No Monthly Fee With Video Camera OTA","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/0e\/7c06047cc03da574cab7aec8f76d-200x200-1.jpg","attrs":{"Price":"20~115usd\/pc","Brand Name":"Topshine(Support OEM\/ODM)","Model Number":"4G WiFi VT1000","Minimum Order Quantity":"1piece","Delivery Time":"1-8 work days","Certification":"CE,RoHS","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram,paypal","Supply Ability":"100000pcs\/month","Packaging Details":"Neutral color or white box (22*16.5*5.5cm), Unit weight: 0.62Kg, 32 units\/Carton","Software":"Free tracking software","CPU":"ARM9 high speed microcontroller","WIFI":"Multiple WIFI hotspot","Battery capacity":"850mAh Li-ion Battery","Data logger":"4MB memory","OTA function":"Support"}}

{"cid":"91146927","title":"Mini Auto Car Tracking Location Device With Andorid ISO APP No Monthly Fee","imgUrl":"https:\/\/img.chinax.com\/nimg\/7c\/20\/4653c5d92427753b3f5ea73721ad-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"OEM","Model Number":"C003-01-4G","Minimum Order Quantity":"10pcs","Delivery Time":"1-10 working days after received your payment","Certification":"CE ISO9001","Place of Origin":"China","Payment Terms":"T\/T or western Union or paypal","Supply Ability":"10,000pcs per month","Packaging Details":"Packed in carton firstly","Type":"4G GPS Tracker support 3G 2G","Voltage":"9-100VDC","Feature":"Geo-fence,","Material":"Plastic","Color":"Black","Network":"3G\/4G\/2G","Size":"mini small"}}