cost to install backup camera

{"title":"Digital Wireless Hidden Camera DC 12V\u00a0, Weatherproof Small Hidden Cameras","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/70\/33\/957952e5408332e610c953bd32e2-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Visionmaster","Model Number":"VC-521","Minimum Order Quantity":"1 Piece\/Pieces","Delivery Time":"3-5 working day for sample , 7-10 working day for bulk order","Place of Origin":"Guangdong, China (Mainland)","Certification":"CE\/FCC","Payment Terms":"T\/T, Western Union,paypal","Supply Ability":"5000 piece","Packaging Details":"Neutral packing","Type":"Digital Camera, Punch","Style":"Mini Camera","Sensor":"CMOS","Technology":"Pan \/ Tilt \/ Zoom","Special Features":"Waterproof \/ Weatherproof","Voltage":"DC 12V","Power":"Max 1W","Pixel":"1028*720P","Resolution":"720P","Perspective":"120 degree","Min. Illumination":"0Lux (CMOS)\/ 9 Infrared lamp","Chip Solution":"7070 Pixels","Output Signal":"1.0 Vpp \/ 75ohm"}}

{"title":"IR Night Vision Black Bullet Car Camera Backup Reverse Parking","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/f3\/3e\/a7ce79bf56f533197d8b507d0608-200x200-1.jpg","attrs":{"Price":"negotiated","Brand Name":"Vanwin Tracking","Model Number":"VW-536","Minimum Order Quantity":"5pcs","Delivery Time":"2-3 days for samples, 5-10 days for large orders","Certification":"CE\/FCC\/RoHS","Place of Origin":"Shenzhen, China","Payment Terms":"Western Union, T\/T, Paypal","Supply Ability":"5,000pcs per month, Car Rear View Camera with IR Night Vision , Butterfly Bracket Mounting Reverse Backup Camera","Packaging Details":"Neutral giftbox, with foam plastic bag packed, customize brand is available when order reach 100pcs","TV system":"PAL or NTSC","Resolution":"420\/480\/600\/TVL","Type":"Car Rear View Camera, Reverse Backup Camera","Service":"OEM\/ ODM","Waterproof":"IP67","Image sensor":"CCD & CMOS","Optional function":"Mirror\/non-mirror","Optional function 2":"Parking line or not","Lens Angel":"170 degree","Power Supply":"DC 12"}}