12V LED strip lights are a popular choice for various lighting applications due to their versatility, energy efficiency, and ease of installation. Here are some key points about them:

1. **Voltage**: They operate on 12 volts DC, making them safe for household use and easy to connect with a power adapter.

2. **Types**: Available in various types such as single color, RGB (multi-color), and RGBW (multi-color with white), allowing for different lighting effects and color options.

3. **Flexibility**: They are flexible and can be cut to specific lengths, making them suitable for custom installations in homes, cars, or other spaces.

4. **Adhesive Backing**: Most come with adhesive backing for easy installation on various surfaces.

5. **Brightness**: Available in different brightness levels, often measured in lumens per meter, suitable for ambient, task, or accent lighting.

6. **Waterproof Options**: Some strips are waterproof (rated as IP65 or higher), making them suitable for outdoor or damp environments.

7. **Controllers**: Often used with controllers or dimmers to adjust brightness, color, and lighting patterns.

8. **Applications**: Commonly used in under-cabinet lighting, accent lighting, backlighting for TVs and monitors, car interiors, and more.