When buying a flat TV, there are several key features you should consider: 1. Display Technology: Look for TVs with advanced display technologies such as OLED or QLED, which offer better picture quality, vibrant colors, and deep blacks. 2. Screen Size: Consider the size of the room where the TV will be placed. Opt for a screen size that provides an immersive viewing experience without overwhelming the space. 3. Resolution: Higher resolutions, such as 4K or 8K, offer sharper and more detailed images. Choose a TV with a resolution that matches your content preferences and budget. 4. HDR Support: High Dynamic Range (HDR) allows for a wider range of colors and increased contrast, resulting in more realistic and vibrant visuals. Look for TVs that support HDR formats like HDR10 or Dolby Vision. 5. Refresh Rate: A higher refresh rate ensures smoother motion during fast-paced scenes, sports, or gaming. Look for TVs with a refresh rate of at least 120Hz. 6. Smart Features: Consider smart TVs that offer access to streaming services, apps, and voice assistants. Check for compatibility with popular streaming platforms and ensure the TV has built-in Wi-Fi. 7. Connectivity: Ensure the TV has sufficient HDMI ports, USB ports, and audio outputs to connect your devices and audio equipment. 8. Audio Quality: While most slim TVs have limited audio capabilities, consider investing in a soundbar or a TV with enhanced audio features to enhance your viewing experience. 9. Energy Efficiency: Look for TVs with an ENERGY STAR rating, as they consume less power and are more environmentally friendly. Considering these features will help you make an informed decision when purchasing a flat TV that meets your specific needs and preferences.