Effective sterilization - The sterilization lamp takes a quartz tube, the length of the tube is 12cm, the disinfection area is 20 square meters, which improves the sterilization effect. Ozone - The bulb can produce ozone and has the effect of purifying the air. After use, open the windows and ventilate the room to avoid excessive inhalation of ozone. Multi-function - The sterilization lamp can effectively eliminate mites, viruses and bacteria in the air and attached to objects, and also can purify the air and reduce the possibility of infecting different diseases of people and pets. Standard E27 Base - With widely used E27 base, this bulb can easily replace any normal E27 bulb. Easy to install. Use: Perfect for school, kindergarten, restaurant, home, hospital. Please avoid people, animals and plants when using. Specifications: Dimensions: 42 x 180mm. Detection angle: 360 degrees. Power: 25W Input voltage: 200-240V AC, 50-60Hz. Light color: UV + ozone. Optical wave band: UVC 254 nm Base: E27. Lifetime: 1000 h. Applicable: Suitable for rooms under 20. Recommended usage time: Small room (less than 20): 15-20 minutes. Large piece (20-40): 20-30 minutes. Attention: do not directly harm the skin and eyes, long-term fixation will cause eye pain and skin becomes hard and dry. Ozone is free. It is best to ventilate the room after use.