best auto diagnostic scan tool

{"cid":"91192631","title":"OBDII Diagnostic Scan Tool KONNWEI KW820 Read fault codes 2.8 inches screen","imgUrl":"https:\/\/img.chinax.com\/nimg\/7b\/62\/9aaee8e54464cf0c0f3fd6a56b92-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Konnwei","Model Number":"KW820","Minimum Order Quantity":"1pc","Delivery Time":"for samples, stocks are available; 5000pcs obd2 scanner codes in a week","Certification":"Patent, CE, RoHS, FCC","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram, Visa, Paypal, L\/C, D\/A, D\/P","Supply Ability":"50,000pcs obd2 scanner codes per month","Packaging Details":"Model : KW820 Item size( cm):18*8.7*3.2 package size (cm):25*18*8 Item Net weight(kgs):0.549 Package Gross weight(Kg):0.667 qty\/cn: 25pcs\/cn, Carton size : 53.5*41* 35.5cm, Carton Weight :18KG\/ carton","Product Name":"12V gasoline diesel Hybird electronic OBD2 car","Type":"Engine Analyzer, car scanner, car diagnostic tools","IC chip":"STM32F103VCT6","Function":"Read BOD2 engine fault codes","Feature1":"Potable design","Feature2":"Factory direct sales,cheapest with high quality","Display mode":"2.8-inch backlit LCD Screen","Support system":"XP WIN7 WIN8 WIN10","Housing Material":"ABS","Color":"Blackred","Language":"English, French, German, Dutch and Spanish","Warranty":"12 months"}}

{"cid":"90034454","title":"Autel MaxiSys MS906BT Auto Diagnostic Scanner Wireless\/Advanced\/Comprehensive Scan Tool MS906 BT with WIFI for OBDII ECU","imgUrl":"https:\/\/img.chinax.com\/nimg\/47\/a3\/4ee0e079aaa00088db29898c1b01-200x200-1.jpg","attrs":{"Brand Name":"Autel","Model Number":"A125","Minimum Order Quantity":"1","Delivery Time":"3 work days","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"100","Special Features":"Wifi,Bluetooth","Software Version":"Newest","Electronic":"Yes","External Testing Certification":"CE","Item Type":"Engine Analyzer","Voltage":"DC\/12V\/3A","Item Height":"25cm","Item Length":"45cm","Item Width":"35cm","Material Type":"Plastic","Power":"Max 20W","Hardware Version":"Elite","Item Weight":"0.28kg","Model Name":"MaxiSys Elite"}}