Sunlamps are lamps that make light like the sun. People use sunlamps to make their skin darker or to help them feel better when they cannot be in the sun.
Sunlamps are usually good because they can help people feel better, but they can also be bad if they are not used carefully.
Examples:
She uses sunlamps to make her skin darker.
Some people use sunlamps to feel better in the winter.
The sunlamps make the room very bright.
The sunlamps make her look like she has been in the sun.
He has so many sunlamps, it's like he has his own sun inside.
The sunlamps help her feel like she's outside even when she's inside.