Electric wall-mounted fireplaces have several characteristics that make them unique:

1. Convenient installation: These fireplaces are designed to be mounted on a wall, eliminating the need for a traditional fireplace and chimney. This makes them easy to install and a great option for homes without a pre-existing fireplace.

2. Safe and clean: Electric fireplaces do not produce any emissions or require any venting, making them a safe and clean option for heating a room.
   

3. Adjustable heat: Many electric wall-mounted fireplaces come with a remote control that allows you to adjust the heat settings to your desired level of warmth.

4. Realistic flame effect: Many electric fireplaces feature realistic flame effects that mimic the look and feel of a traditional fireplace.

5. Energy efficient: Electric fireplaces are highly efficient and use less energy than traditional fireplaces, making them a cost-effective option for heating a room.

6. Variety of designs: Electric wall-mounted fireplaces come in a wide range of styles, sizes, and designs, making it easy to find one that will fit seamlessly into any room in your home.

7. Low maintenance: Electric fireplaces do not require the same level of maintenance as traditional fireplaces and simply need to be cleaned occasionally.