Model Number:ey89sOrigin:Mainland China welcome to our Smile shop car seat sensor Switches seat occupancy Safety Belt micro pressure switch Replacement Parts belt for car seat mattess chair Friendly reminder : This accessory is only used for replacement and cannot be used to add functions. If your original car has a seat belt not-fastened reminder function, it can be used for maintenance and replacement. This is just a sensor component and needs to be used with the original car's functions. Purchase Please find out if your car has this function before, or if you have the technology of modification technician, you can buy it, thank you Deatils photo on data L : 15.3cm W : 12.8cm Thickness 0.6cm Cable length : 65cm Work principle: This product is imported, world brand "grammer", English "grammer". So please feel free to use it. This product is mainly used in seats. It can switch and transmit signals through weight sensing. For example, on the massage seat, when you use it to sit on, it can turn on the massage function through the weight sensing. You don't need to specially press the switch to achieve the massage function. Another original function is to install it on the engineering vehicle seat, which can be connected with the signal light of the engineering vehicle. When someone is on the driving seat, the light will be on, so that the people on the ground know that someone is operating on the vehicle. The second purpose is to connect it with the lock of the vehicle. When the driver is sitting on the seat, he doesn't need to use the key to start the vehicle. ABOUT SHIPPMENT 1.WORLDWIDESHIPPING. (ExceptsomecountriesandAPO/FPO) 2.Ordersprocessedtimelyafterthepaymentverification. 3.Weonlyshiptoconfirmedorderaddresses.YourorderaddressMUSTMATCHyourShippingaddress. 4.Theimagesshownarenottheactualitemandareforyourreferenceonly. 5.SERVICETRANSITTIMEisprovidedbythecarrierandexcludesweekendsandholidays.Transittimesmayvary,particularlyduringtheholidayseason. REFUND ORRETURN 1.Youhave7daystocontactusand30daystoreturnitfromthedateitwasreceived.Ifthisitemisinyourpossessionmorethan7days,itisconsideredusedandWEWILLNOTISSUEYOUAREFUNDORREPLACEMENT.ThereareNOEXCEPTIONS! 2.AllreturneditemsMUSTBEintheoriginalpackagingandyouMUSTPROVIDEuswiththeshippingtrackingnumber,specificreasonforthereturn 3.WewillrefundYOURFULLWINNINGBIDAMOUNT,uponreceiptoftheiteminitsoriginalconditionandpackagingwithallcomponentsandaccessoriesincluded,AFTERBOTHBuyerandSellercancelthetransactionfrom OR,youmaychoosetohaveareplacement. ABOUT WARRNTY 1.12monthsManufacturer`slimitedWarrantyfordefectiveitems(excludingitemsdamagedand/ormisusedafterreceipt).Accessoriescomewitha3-monthwarranty. 2.DefectiveitemsMUSTBEreportedandreturnedwithinthewarrantyperiod(andintheoriginalpackaging,ifpossible).Youmusttelluswhatthedefectisandgiveusyourordernumber.WEDONOTREPAIRORREPLACEITEMSWITHANEXPIREDWARRANTY. Youagreetoalloftheabove-listedpoliciesuponorderingonaliexpress! ABOUT FEEDBACK Wemaintainhighstandardsofexcellenceandstrivefor100%customersatisfaction!FeedbackisveryimportantWerequestthatyoucontactusimmediatelyBEFOREyougiveusneutralornegativefeedback,sothatwecansatisfactorilyaddressyourconcerns.