Environmental protection, no lead or mercury, no ultraviolet or infrared radiation. The average lifespan is 1000 hours, which reduces the frequency of lamp replacement. Full 360 degree beam angle creates excellent lighting effect which can meet your needs. Oven bulb made of high quality heat glass and high melting point , it can withstand temperatures up to 300 Celsius. No preheating required, full brightness can be achieved . You can screw the bulb into the E14 socket in seconds without using any tools. This oven bulb can be installed in various of ovens, salt lamps, microwave ovens and range hoods.