Effective sterilization - germicidal lamp with quartz tube, tube length 10.8cm, disinfection area 40mEnhance bactericidal effect. Ozone - bulbs can produce ozone and have the effect of purifying the air. After use, open the windows and ventilate the room to avoid excessive inhalation of ozone. Multifunction - the germicidal lamp effectively eliminates mites, viruses and bacteria from the air that attach to objects, also purifies the air and reduces the risk of infection by various diseases in people and pets. Standard E27 socket (included) - with the widely used E27 socket, this bulb can easily replace any normal E27 bulb. And comes with a time delay remote control. Easy to install. Usage: suitable for school, kindergarten, restaurant, home, hospital. Please avoid people, animals and plants when using. We only sell walkie-talkies and not other items in the pictures. Due to the differences between different monitors, the pictures may not reflect the actual color of the goods. Please allow subtle size error due to hand measurement.