A star projector is a device that projects the image of stars and other celestial bodies onto the walls and ceiling of a room. These projectors come in a variety of shapes ...
In general, household projectors that use LED light source bulbs have a relatively long service life. In theory, the service life of this type of projector can be as long as 20,000 hours or more. But ...
If you have kids, and you have a nursery room for them, then you need to buy a starry projector for them. Some starry projector can not only entertain your sons or daughters at bedtime, but also give ...