Fitmens Models : For Honda Accord 2008-2013 For Honda Spirior2009-2014 For Honda ELYSION 2012-2015 Note :Please select the corresponding option according to your model. This product is only suitable for the above models and not suitable for other models. Please check before placing an order. OBD TPMS advantages: 1. No need to disassembly device, easy to install. 2. No need to install sensors and replace battery. 3. Safety, it utilize original car ABS data to judge the tire status . can discover tire hidden danger in time. OBD TPMS disadvantages: 1.display the value is not the actual tire pressure value . Note:This TPMS device no need to sensor to work ,it through connect car OBD connector to get tire ABS data to monitor tire safely. Working principle: When the tires are underinflated , the tire radius become smaller , wheel speed become higher , when the tires are overinflated , tire radius become larger at the same time wheel speed become lower .The Car OBD get the original ABS data , once tire underinflated , it result to abnormal data , then monitor alarm . the screen show the value is not the actual tire pressure value bar , it an is analog value of the tire pressure. the monitor screen show "2.4''mean tire pressure normal . when the tire pressure leak up 20%-25%.it will show "1.8" and alarm. when the tire pressure leak up 50% or more.it will show "1.0" and alarm.