1,Widely used: Can be used in quilts, pillows, bath towels, toilets, kitchens, HVAC pipes, etc. 2,Clean the lamp: Dirty air is the first amazing that causes discomfort to the human body. It is necessary to use this UVC bulb every week. 3,Clear bacteria: This bulb can effectively eliminate bacteria and protect health. 4,Safe to use: 253.7nm wavelength physical germicidal is safe and fast, also very environmentally friendly. 5,Easy to install: The model of this bulb is E27. Suitable Space: 20-35 Recommended Time: 30mins (appr.) Power: 15W Voltage: 220V 50Hz Lamp Holder: E27 colour:white Material:Quartz glass + plastic Size: (L)X(W)16X4.3cm(appr.) Package Contents: 4 x Ultraviolet Disinfection Lamp (not included base) Note: 1. Installation and use of light, do not force too much. Both hands should hold the two ends of the tube.When switch the lamp, the power must be cut off. 2. Ultraviolet rays can cause to the skin and eyes. Avoid prolonged direct exposure to the human body. 3. Ultraviolet rays can kill organic cells. Do not long-term exposure to pets and plants. 4. Pay attention to the indoor valuable painting be blocked to prevent discoloration due to long time ultraviolet irradiation. 5. Do not use as home lighting. Disinfection to moderate is appropriate. Better not open the UV lamp for a long time. 6. Should keep the tube surface clean, to prevent dust or dirt blocking UV output. 7. When clean the ultraviolet lamp, please cut off the power supply, use a clean soft cloth or alcohol wipe,avoid using gasoline and other organic solvents wipe. 8. Prevent children from playing and Pressing. 9. It requires people and animals waiting outside during disinfection, after disinfection is completed it also needs to wait more than 40 minutesfor ozone decomposition completing. Only the above package content, other products are not included. Note: Light 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.