1. Wide range of uses: can be used in quilts, pillows, bath towels, bathrooms, kitchens, HVAC ducts, etc. 2. Purify lamps: Dirty air is the number one culprit causing human discomfort. It is necessary to use this UVC bulb every week. 3. Eliminate bacteria: This light bulb can effectively eliminate bacteria and protect health. 4. Safe to use: 253.7nm wavelength physical sterilization is safe, fast and very environmentally friendly. 5. Convenient installation method: The model of this bulb is E27. Notice: 1. Be gentle when installing and using, and don't use excessive force. Hold both ends of the lamp with both hands, and be sure to cut off the power supply when switching the lamp on or off. 2. UV rays can cause damage to skin and eyes. Avoid prolonged direct contact with the human body. 3. UV rays can kill organic cells. Avoid prolonged contact with pets and plants. 4. Pay attention to covering valuable indoor paintings to prevent them from discoloration due to long-term exposure to ultraviolet rays. 5. Do not use for home lighting. Disinfection should be done in moderation. It is best not to turn on the UV lamp for a long time. 6． The surface of the lamp should be kept clean to prevent dust or dirt from blocking the UV output. 7. When cleaning the UV lamp, please cut off the power supply and wipe it with a clean soft cloth or alcohol. Avoid using organic solvents such as gasoline to wipe it. 8. Prevent children from playing and squeezing. 9. People and animals need to wait outside during disinfection. After disinfection is completed, they need to wait for more than 40 minutes for ozone decomposition to complete. Suitable space: 20-35 Recommended time: 30 minutes (approx.) Power: 15W Voltage: 220V 50Hz Lamp head: E27 color: White Material: quartz glass + plastic Dimensions: (length) X (width) 16X4.3 cm (approx.) Package contents: 2 x UV disinfection lamps (base not included) Only the above package contents, other products are not included. Note: Lights and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowance is +/-1-3cm.