Remote control: when you want to turn off the electric heating. You don't need to leave your warm bed, you can turn it off by pressing a button with the remote control. Note: The remote control requires a CR2025 button cell battery (not included in delivery). Mini-driver: The mini-driver has a modest size of 4.9 inches * 4.1 inches * 2.2 inches. Despite its small size, it is capable of producing 3 seconds of rapid heat to warm you up. LED indicator: This mini electric heater has an LED display that shows the room temperature. You can accurately read the heater temperature even in the dark. PTC-Ceramic: ceramic heating element that heats up quickly in 3 seconds. Equipped with a fan that allows air convection to heat large areas. Self-controlled for a constant temperature, energy efficient and quiet in operation. Protection systems: When the room temperature reaches the set temperature, the device automatically goes into sleep mode and resumes operation when the room temperature drops below the set temperature. This helps prevent overheating and saves energy and electricity.