isdb t hd led tv with 50hz 60hz

{"cid":"91223769","title":"Custom ISDB-T HD LED TV supporting Sync Frequency 50Hz 60Hz optimized for educational training and e-learning platforms","imgUrl":"https:\/\/img.chinax.com\/nimg\/41\/71\/33df78b7956dd93b136ab423646b-200x200-1.jpg","attrs":{"Sync Frequency":"50Hz\/60Hz","Screen Size":"55 Inches","Storage":"16 GB","Audio Output":"20W Dolby Audio","Interface":"HD\/ LAN\/ VGA\/ USB\/ AV\/ RF\/ Digital Audio","Cabinet Color":"Black\/Option","Display Technology":"LED","Max Brightness":"300cd\/m2 (450cd\/m2 Optional)"}}

{"cid":"91221888","title":"Premium 55\" Home Television 4K UHD Smart TV with HDR Voice Control","imgUrl":"https:\/\/img.chinax.com\/nimg\/b2\/2f\/6311c70d60af7b5c3712bbbf1c0a-200x200-1.jpg","attrs":{"Price":"150~800US","Brand Name":"SUNSANXIN","Model Number":"ZT550TV","Minimum Order Quantity":"5PCS","Delivery Time":"15-25days","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,","Screen size":"55 inch","format":"4K Ultra HD","Certification":"CE ROHS FCC CB","Language":"9 Languages Optional","Supply Ability":"2000","Interface":"HDMI*3,USB*2,AV*2,RF*1,RJ45*1,earphone*1","Place of Origin":"GuangZhou","specification":"Smart LED TV"}}