TIMER SETTING: You can use the remote control to set the working hours, for example 15-30 or 60 minutes. When the UV lamp is working, we must go out of the room to avoid burning the skin. When programmed time stops automatically, the room can be used directly after disinfection. WELL USED - Ozone sterilization helps your family get rid of formaldehyde and new home odors. It is particularly suitable for the destruction of bacteria germs and mold viruses in the living room, the toilet, kitchen, bathroom and pet nest. 99% BACTERIAL KILLING: Due to the design of UV rays and ozone, ultraviolet radiation can destroy the microorganism by destroying microbial DNA and RNA. The difference between no ozone and ozone: ozone is a gas that has the function of sterilizing and disinfecting. Even if an object is blocked, the gas will also spread throughout the room, unobstructed. Do not sterilize in a blind spot, the rays UV rays are illuminated in a straight line. If the obstructed object is blocked, it will be reflected and the surface disinfected. SAFE AND DURABLE - This UV lamp with 40 control distance, with 30 seconds delay, makes it safe to use. And high purity quartz glass tube means it is more durable and its service life life reaches 8000 hours.