obd2 rpm 9000 race car multimeter

{"cid":"91185946","title":"DO921 OBD2 6.5\" Race Car Dashboard With Black Display","imgUrl":"https:\/\/img.chinax.com\/nimg\/0c\/1a\/39992af24e2bbc8b646528b420ff-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"SINCO TECH","Model Number":"DO921","Minimum Order Quantity":"1 pcs","Certification":"ISO9001 \/ CE","Place of Origin":"Wenzhou","Payment Terms":", MoneyGram,PAYPAL","Supply Ability":"1000 pcs per month","Packaging Details":"26*23*9cm ,1kg","Name":"OBD II gauge dashboards","Material":"ABS","Dimmer":"Automatic","Voltage":"12V","RPM":"9000","Type":"OBD II","Function Display":"RPM,Speed,Voltage,Water temperature","Warranty":"1 year"}}