Oven bulb made of high-quality heat-resistant glass and high melting point tungsten, capable of withstanding temperatures up to 300 degrees Celsius. No preheating required; reaches full brightness instantly. Environmentally friendly, free of lead and mercury, with no ultraviolet or infrared radiation. Average lifespan of 1000 hours, reducing the frequency of replacements. Easy to install—simply screw into an E14 socket without tools. Provides a full 360-degree beam angle for excellent illumination. Suitable for use in 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 Color: Silver Material: Glass Size: 22 x 50mm Package Contents: 4 x Light Bulb Note: Only the items listed above are included. Other products are not included. Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3cm.