mdvr 4 cctv cameras system

{"cid":"91148892","title":"VPC AHD 720P 4G MDVR 4 Cctv Cameras System With Bus Counter","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/98\/5c\/f5785e31d9c89b82dc4abc6af5cc-200x200-1.jpg","attrs":{"Price":"negotiated","Brand Name":"Vanwin Tracking","Model Number":"VW619C-GS","Minimum Order Quantity":"1pc","Delivery Time":"2-3 days for samples,15-30 days for large orders","Certification":"CE\/FCC\/RoHS","Place of Origin":"Shenzhen,China","Payment Terms":"T\/T or western Union or Paypal","Supply Ability":"5,000pcs per month;","Packaging Details":"Neutral carton box package by default. Customize package is available if order reach 300 pcs. Customize Logo printing is available for order over 100 pcs .","Power Supply":"8V-36V DC Voltage","USB port":"Standard 2.0","Sensor type":"Video Counting, 98% accuracy","Type":"Passenger counter, Surveillance","Installation":"Vehicle door,mounted on ceiling","Interface":"RJ45,RS232,RS485","Camera":"Binocular Cameras&Monitoring cameras","Operation Interface":"OSD with mouse and remote control","AV out":"4CH CCTV cameras inputs+4 channel counting cameras inputs","Protocol":"Support RS232\/485 and 3G communication serial","Data transmission":"3G, 4G, GPS, WIFI ,GPRS, RS232\/485, HDD storage","Application":"City Bus, school bus and other transport vehicle ect."}}

{"cid":"91220929","title":"Integrated ADAS DSM BSD 8 Channel Hard Disk MDVR Vehicle CCTV Camera System","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/b2\/e1\/d106a54c23adadd359a88bcc2c8d-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Richmor","Model Number":"MDRSP5AI-D","Minimum Order Quantity":"2 units","Place of Origin":"Guangdong, China","Product name":"Driver Fatige Status Monitoring System","Operating system":"Linux","Video input":"8 Channels","Resolution":"1080P\/720P\/D1\/HD1\/CIF","Storage":"1*2TB HDD+2*128GB SD Card","Use Interface":"2 USB Interface","Alarm I\/O":"8\/2 Channels","Certificate":"CE,ROHS,FCC","Warranty":"12 Months","Video Compression Format":"H.265"}}