1.Advanced Thermal Management 2.Warranty:3 years 3.CE&RoHS Certificate 4.Light Source: LED 5.MOQ:10pcs LED Ceiling light for Steam room,Saun aroom High quality LED Diodes Pass ISO9001:2008,CE,RoHsMaterial:Copper,GlassWidely used to Swimming pool,Fountain LED Bathroom Lights(WST-1312-YD)