50 m 4k wireless presentation system

{"cid":"91219983","title":"Full Sun Outdoor TV Smart Waterproof TV 4K 2000nits, Supports Wireless Connection Wi-Fi ARC CEC, Suitable For Partial Or Strong Light Area","imgUrl":"https:\/\/img.chinax.com\/nimg\/e9\/93\/d97bfd8e12161ae0c1a2678c3f37-200x200-1.jpg","attrs":{"Price":"USD 899-1299 piece","Brand Name":"Fionexx","Minimum Order Quantity":"100","Delivery Time":"14-28 days","Certification":"CE,ROHS,FCC,IP65","Place of Origin":"China","Payment Terms":"T\/T, L\/C","Supply Ability":"100 piece per month","Packaging Details":"Carton boxes, wooden boxes, honeycomb boxes","Screen Size":"43-49-55 Inches","Display Technology":"LED","Resolution":"4K","Refresh Rate":"60 Hz","Special Feature":"Flat","Included Components":"TV, Remote Control, User Guide","Connectivity Technology":"HDMI","Aspect Ratio":"16:9"}}

{"cid":"91199486","title":"75 Inch Android 4K LED Interactive Board Finger Touch USB Projection Whiteboard","imgUrl":"https:\/\/img.chinax.com\/nimg\/8d\/aa\/88d555ecbbd5b964031a0d3fce9c-200x200-1.jpg","attrs":{"Price":"700-900usd\/pc","Brand Name":"iboard","Model Number":"TE-QS-75","Minimum Order Quantity":"1pc","Delivery Time":"18-20 working days","Certification":"CE\/ROHS\/FCC\/EDLA Google certified","Payment Terms":"T\/T","Packaging Details":"carton box, 1pc\/carton, optional with wooden frame\/box","Camera and Mic":"optional","Application":"class teaching, meeting, training,etc.","Supply Ability":"5000pcs per month","NFC":"optional","Place of Origin":"China"}}