... used tailor-made silastic gasket, ip68, electrical insulation is Class 3, with DC voltage,> Housing, cover and bracket are stainless stell ... :R,G,W,Y,B,mixed color> LED drive mode: constant current> Applicable temperature:-30-55 c> Protection class: ip68> Drive type ... > Life span:over70000h> Housing material: stainless steel> Electrical safety class:3 LED par lamp