... than 53 degree ClesiusWorking temperature:-20~45LED colourWarm White,Nature white,Clod whiteLifespan:50,000hourscertificateCE&ROHS,CUL,ULSupplier/ ... &Energy saving10.Easy to install and operateApplication:The LED underground Lamp is widely used in Stairway,Walkway ... the others lighting products.Also produce LED tube ,LED downlight,LED spot light,LED strip,LED bulb,LED wall wash light ,and emergency ...