digital speed limit sign with 300m visibility

{"cid":"91221842","title":"Green 15watt 3 Digit Speed Limit Signs for Speed Measurement Range 1KM\/H-250KM\/H and Customer Requirements","imgUrl":"https:\/\/img.chinax.com\/nimg\/a0\/53\/1070d4816b3ef7e238c32499ef1b-200x200-1.jpg","attrs":{"Price":"334.1USD\/Set-349.60USD\/Set","Brand Name":"NobTra","Model Number":"NBTR888-S30-S","Minimum Order Quantity":"1","Place of Origin":"China","Certification":"CE","Packaging Details":"CARTON","Payment Terms":"T\/T","Supply Ability":"5000PCS\/MONTH","Quality warranty":"1 Years","Radar Detection distance":"With 200 Meters","Visibility Range":"More Than 300 Meters","Operating Temperature":"-40\u00b0C To 60\u00b0C","Waterproof level:":"IP54","Suggestion install height:":"2.5-4 Meters","Display Color":"Red Green","Product Type":"Traffic Sign"}}

{"cid":"91222040","title":"Weatherproof MUTCD Compliant Variable Speed Limit Sign with Real-time Adaptive LED Display","imgUrl":"https:\/\/img.chinax.com\/nimg\/ef\/82\/32b7b3965c70192c79c2dec138d8-200x200-1.jpg","attrs":{"Brand Name":"Glare-LED","Certification":"CE","Place of Origin":"China"}}