The product adopts cast Aluminium body, polishing stainless steel or aluminum alloy, High quality water joint, silica gel waterproofing ring, arc tempered glass for more angles refraction, waterproof, dustproof, creepageprooof and rust inhibition. Specification: The input voltage of underground lamp is AC220v/110v/24v. waterproof index: IP67.Insulation index: rank 1. Lifetime: 10,000 hours. Workable temperature: 40 centigrade below zero to 70 centigrade. Emitting color: white, red , yellow, blue, green, also could be changeable double colors and full colors. Used in supermarket, parking lot, road, regie shop, virescence line, park, places of interest.