audience voting system

{"cid":"91201602","title":"Classroom Electronic Audience Responses Voting System 8P-DIN","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/f3\/8f\/acdb708f721fcb4c73a459e4343c-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"GESTTON","Model Number":"GUS-8700","Minimum Order Quantity":"10","Delivery Time":"10-30 days","Certification":"CE ROHS FCC","Place of Origin":"Guangdong, China","Payment Terms":"T\/T, Western Union","Supply Ability":"10000 pics\/month","Packaging Details":"Carton Box","Number of Channels":"15 channels","Power Consume":"1.5W","Capacity":"250 voters","PC Port":"RS232","Working Distance":"150m","RF Power":"10MW"}}

{"cid":"91221879","title":"Full Color RGB RGBW LED Grid Light With Square Cover Optional Pixel Pitch","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/91\/8b\/e523eb07604312777e746d9402a6-200x200-1.jpg","attrs":{"Price":"$165.00\/square meters 1-124 square meters","Brand Name":"XQD","Model Number":"XQD-P50-H2020-2L","Minimum Order Quantity":"10Square","Delivery Time":"10 work days","Place of Origin":"Guangdong, China","Certification":"CE, RoHS, FCC","Packaging Details":"XQD PACKING\/customized","Supply Ability":"50000PCS\/Day","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Application":"Indoor, Outdoor","Type":"LED","Color":"FULL COLOR","Panel Size":"20mm, 20mm","Supplier Type":"Original manufacturer, ODM, Agency, Retailer, Other, OEM, Other","Media Available":"datasheet, Photo, EDA\/CAD Models, Other, Other","use":"advertising publish, retail store, shopping mall, display of dishes, welcome display, self-service business, exhibition hall, wayfinding, airport, subway, elevator, Restaurant & Hotel Supplies, education, medical treatment","Function":"SDK","Pixel Pitch":"Other, Other","Specification":"Stretch bar, Digital Poster, Touch Screen, Video Wall, Kiosk","Touch Screen Type":"Capacitive, Resistive, Touchscreen, Infrared","HS Code":"8531 2000","Resolution":"3*16bit","Product name":"Led Video Display Panel","Usage":"Outdoor Adverting Display","Display Function":"Video Picture Graphic Text Message","Keyword":"Waterproof LED Display Screen Panels","Warranty":"2 Years","Certificate":"CE ROHS FCC","Material":"PVC","Viewing angle":"120 \/120","Life span":"50000hours","Installation":"Easy"}}