dust against car top led screen

{"cid":"91214300","title":"4k High Refresh P5 LED Video Wall Sign Mobile Advertising Car Led Screen","imgUrl":"https:\/\/img.chinax.com\/nimg\/d1\/37\/a6a14c822c4103f730d189214c6f-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Charming","Model Number":"P5","Minimum Order Quantity":"2 PCS","Delivery Time":"10 Working Days after Payment","Certification":"CE, ROHS, LVD, EMC, CB, BIS, UL","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, Paypal, Cash","Supply Ability":"1000 PCS per week","Packaging Details":"Carton Case, Wooden Case, Flight Case","Product name":"P5 Outdoor LED Screen","Application":"Outdoor Advertising","Pixel Pitch":"5mm","Size":"960x960mm","Resolution":"160x120","Cabinet Weight":"28KG","Refresh Rate":"1920hz-3840hz","Module Size":"320x160mm","Brightness":"\u22655500CD\/M\u00b2","Material":"magnesium alloy","IP Rate":"IP65","Life Span":"\u226550000 Hours"}}

{"cid":"91202104","title":"1920x576mm Customized Led Display Led Poster Mirror Led Screen App Control","imgUrl":"https:\/\/img.chinax.com\/nimg\/db\/cf\/2fbe92d9a2c87ea4c56d60ad14fa-200x200-1.jpg","attrs":{"Price":"$1,800.00\/Pieces 6-49 Pieces","Brand Name":"King VisionLed","Model Number":"P2.5","Minimum Order Quantity":"6 Pieces","Delivery Time":"15 working days","Place of Origin":"Guangdong, China","Packaging Details":"Flight case:530mmx650mmx1000mm, 6 pcs panels or 8 pcs panels packed in 1 flight case","Supply Ability":"1000 Square Meter\/Square Meters per Week","Certification":"CE, CCC, Rohs, FCC ISO","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Pixels":"2.5mm","Pixel density per sqm":"157464dots","Thickness":"80mm","Brightness":"1,000 cd\/m2","Project":"Customized Led Display","View angle (H\/V)":"160\u00b0\/160\u00b0"}}