definition of hard disk drive

{"title":"High Definition Hard Disk H.265 4CH Mobile DVR","imgUrl":"https:\/\/img.chinax.com\/nimg\/87\/50\/7dcb39a5403663ace52c03197cf6-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Anyuan","Model Number":"AY-MRH9204AHD","Minimum Order Quantity":"1pcs","Delivery Time":"5-7 days","Certification":"CE, FCC","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram, Paypal","Supply Ability":"50K per month","Packaging Details":"carton","Video Compression":"H.265","Video input":"4ch AHD\/CVI\/TVI\/Analog","Video resolution":"1080P","Function":"4G\/3G\/WIFI\/GPS is optional","Power supply":"8-32V DC Wide Voltage Range","Data Storage":"HDD and SD card"}}

{"title":"Full HD 8CH 1080P MDVR With 4G 5G GPS WIFI Device For Monitoring Cars Buses Taxis Dual Hard Drives","imgUrl":"https:\/\/img.chinax.com\/nimg\/51\/81\/081b49392326110b18624c6b0fba-200x200-1.jpg","attrs":{"Price":"USD100-USD300","Brand Name":"Vanwin Tracking","Model Number":"VW9504 9508","Minimum Order Quantity":"1PC","Delivery Time":"3-15days upon payment","Certification":"CE FCC ROHS","Place of Origin":"China","Payment Terms":"T\/T, Western Union,paypal","Supply Ability":"1000PCS\/month","Packaging Details":"Neutral package, carton box","Product Name":"8CH Vehicles CCTV AI MDVR Car Black Box","Function":"Waterproof \/ Weatherproof","Recording Mode":"Video&Audio recording synchronously","Video resolution":"1080P\/96OP\/72OP\/D1","Video Compression Format":"H.265","Data Storage Options":"Full HD","Video Compression":"H.265 Main Profile","Alarm Input":"8CH alarm inputs","Power Supply":"DC 8-36V","Sensor":"CMoS"}}