how to install headrest dvd player

{"cid":"91186717","title":"CE FCC ROHS 9\" Car Roof DVD Player Headrest With Interchangeable Color Skins .","imgUrl":"https:\/\/img.ismap.com\/nimg\/d8\/fe\/547d32713a771d255915a7fc8acc-200x200-1.jpg","attrs":{"Price":"47USD-50USD","Brand Name":"OEM","Model Number":"TPK-S915ZD","Minimum Order Quantity":"MOQ 300pcs","Delivery Time":"3-5working days","Certification":"CE FCC ROHS","Place of Origin":"MADE IN CHINA(MAINLAND)","Payment Terms":", T\/T","Supply Ability":"20000pcs per month","Packaging Details":"Each 1 unit in 1 Gift box ,4 gift box in 1 carton box .","Screen Size":"9\"","Model number":"TPK-S915ZD","Compatible with":"DVD\/VCD\/CD\/CD-R\/RW\/MP3\/...","Place of Original":"Guangdong,China (Mainland)","Placement":"Headrest","Warranty":"12months","OEM&ODM":"Welcome","Car Make":"Car Bus","Transmitter":"IR and FM","Package details":"Gift box"}}

{"cid":"91194662","title":"10.1\" Car Lcd Monitor 1080p Waterproof Easy Installation DC 12~24v Power Supply","imgUrl":"https:\/\/img.ismap.com\/nimg\/0a\/81\/b83276531fdc0c7fb3a7ab399625-200x200-1.jpg","attrs":{"Price":"75USD-90USD","Brand Name":"Topview","Model Number":"TD-C701","Minimum Order Quantity":"MOQ 20pcs","Delivery Time":"10-15 working days for 100pcs","Certification":"CE,FCC,ROSH,C-TICK","Place of Origin":"GuangDong,CN","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"8000PCS per month","Packaging Details":"8pcs gift box in 1 carton box .Carton box size : 375mmx 300mmx460mm","Product Name":"Rear Seat Entertainment","Shipping Method":"DHL UPS FedEx TNT EMS","Wifi-network":"Wi-Fi 802.1.1 b\/g\/n","Screen":"10.1inch","Operation System":"Android 6.0","Video\/Audio":"1 AV Input & 1 AV Output","Weight":"1.54kg","Name":"10.1 inch Android car headrest dvd player car back seat lcd monitor with wifi"}}

{"cid":"91171571","title":"TM-9008 9 inch car removeable headrest monitor with bracket mount 2 av input 12-24V","imgUrl":"https:\/\/img.ismap.com\/nimg\/e5\/bf\/9c2a6287fb217456d62c8b60b142-200x200-1.jpg","attrs":{"Price":"inquiry us for latest price","Brand Name":"VCAN or OEM","Model Number":"TM-9008","Minimum Order Quantity":"1","Delivery Time":"One Week","Place of Origin":"China www.VCAN.cn","Certification":"CE FCC Rohs Emark","Packaging Details":"Giftbox or White Box","Payment Terms":"TT Bank Transfer, Western Union, Paypal, MoneyGram, Alipay","Supply Ability":"1000 pcs per 25 Days"}}