An LED effect flame room heater typically has the following characteristics:

1. LED flame effect: The heater features a realistic LED flame effect that creates a warm and inviting ambiance in the room.

2. Heating function: The heater provides a heating function that helps warm up the room, making it ideal for use during colder months.

3. Energy-efficient: LED effect flame room heaters typically use energy-efficient LED lighting technology, which helps reduce energy consumption and lower heating costs.
   

4. Safe operation: The heater is designed to be safe for use in homes, with built-in safety features, such as automatic shut-off, to prevent accidents and fires.

5. Portable design: Many LED effect flame room heaters have a compact and portable design, making it easy to move from room to room as needed.

6. Adjustable heat settings: The heater often has adjustable heat settings, allowing users to control the temperature and choose the ideal level of warmth for their needs.

7. Easy to use: LED effect flame room heaters are usually user-friendly, with simple controls and an intuitive design that make them easy to operate.

8. Decorative: The LED flame effect adds a decorative touch to any room, making it a stylish and functional addition to any home.