... angle can be changed from 0-90 degree. Frosted cover and transparent cover available, UL number E336541,E336542. Feature:1.Certificate ... °C to 40° C.7. Aluminum body, PC cover, clear and frost cover available.8.Environment friendly, no mercury, no lead ... , no ultraviolet, no noise and other hazardous substance.9.Energy-saving, LEDIA 3528 SMD UL ...