Guardrail lighting Details: 1) Colours of guardrail tube: red,green,blue,yellow,two-tone colour,true colour etc. 2) Having several kinds of change style,and as client's request. 3) Material:PC 4) Perameter:24,30,50,80,100,110and D,U,trangle etc. 5) Voltage range:12V-250V 6) Frequently:50-60HZ 7) Working tempreture:-40degree-+75degree 8) Performance:Waterproof,Dustproof,withstand breach, 9) Defend grade:IP65 If you have interesting in our products,pls don't hestite to contract with me.Urgently to your inquiry.