1. Widely used: Can be used in pillows, bath towels, toilets, kitchens, HVAC pipes, etc. 2. Clean the lamp: Dirty air is a primary cause of discomfort to the human body. It is recommended to use this UVC bulb weekly. 3. Clear: This bulb can effectively eliminate germs and help protect health. 4. Safe to use: 253.7nm wavelength germicidal UV light is safe, fast, and environmentally friendly. 5. Easy to install: This bulb features an E27 base. Suitable Space: 20-35 sq. m Recommended Time: 30 minutes Power: 15W Voltage: 220V 50Hz Lamp Holder: E27 Color: White Material: Quartz glass + plastic Size: 16 x 4.3 cm (L x W) Package Contents: 1 x Ultraviolet Disinfection Lamp (base not included) Note: 1. During installation and use, do not apply excessive force. Hold both ends of the tube with both hands. Always turn off the power before switching the lamp. 2. Ultraviolet rays may harm skin and eyes. Avoid prolonged direct exposure to the human body. 3. Ultraviolet rays can affect living cells. Do not expose pets or plants for extended periods. 4. Protect indoor valuables such as paintings from prolonged UV exposure to prevent discoloration. 5. Do not use as a continuous light source. Moderate disinfection is recommended. Avoid operating the UV lamp for extended durations. 6. Keep the tube surface clean to ensure optimal UV output. 7. When cleaning the ultraviolet lamp, disconnect the power and use a clean soft cloth or alcohol wipe. Avoid using gasoline or other harsh solvents. 8. Prevent children from handling or pressing the device. 9. People and animals should remain outside the room during disinfection. After use, wait at least 40 minutes before re-entering to allow for proper air circulation. Package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement tolerance is +/- 1-3 cm.