Oven bulb made of high quality heat resistant glass and high melting point tungsten. it can withstand temperatures up to 300 Celsius. No preheating required. full brightness can be achieved . Environmental protection. no lead or mercury. no ultraviolet or infrared radiation. The average lifespan is 1000 hours. which reduces the frequency of lamp replacement. You can screw the bulb into the E14 socket in seconds without using any tools. Full 360 degree beam angle creates excellent lighting effect which can meet your needs. This oven bulb can be installed in various of ovens. salt lamps. microwave ovens and range hoods. Product name: oven. microwave oven. salt crystal lamp. smoke lamp. 300 degree high temperature bulb Voltage: 220-240V Power: 15W. 25W Lamp holder: E14 Color temperature: 2700K Colour:Silver Material:glass Size:22 x 50MM Package Contents: 12 x Light bulb. Only the above package content. other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.