sign for national speed limit

{"cid":"91208100","title":"EN12966 SMD LED VMS Speed Limit Signs For Highway Road Safety","imgUrl":"https:\/\/img.chinax.com\/nimg\/d4\/3f\/f517ef002353119bd9e64a0c7412-200x200-1.jpg","attrs":{"Price":"USD962-1283\/per piece","Brand Name":"YAHAM","Model Number":"YHT-SLS","Minimum Order Quantity":"1piece","Delivery Time":"35days","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T","Supply Ability":"1500","Packaging Details":"non-wooden case with EPE protection","Cabinet Size":"800x800mm,1000x1000mm,1200x1200mm","Dimming Level":"32","Brightness control":"Photo sensors to monitor the ambient light level; two pre-set luminance levels, one for normal daytime and one for night-time or low ambient light level.","Operating Temperature":"-30\u00b0c~+60\u00b0c","Installation":"Portable & Fixed mounting available","Advantage3":"Self \u2013error detection"}}