1. PTC ceramic heater: The powerful 650W ceramic heater has self-controlled constant temperature function, long life, high efficiency and energy saving, and works quietly and silently.<br> 2. Built-in constant temperature control system: When the room temperature reaches the set temperature, the machine will automatically enter the sleep mode, and when the room temperature is lower than the set temperature, the machine will restart to avoid overheating and save energy.<br> 3. Intelligent temperature control: double protection temperature control system + overheating protection, escort your safety. Made of quality tested flame retardant materials. Overheating protection automatically shuts down the heater if it overheats.<br> 4. Low energy consumption: The heater operates at a low power of 650 watts, making it more energy efficient and cost effective than those energy intensive space heaters. Also, the circuit will not be overloaded. Ideal for people living in mild climates.<br> 5.180 rotatable plug: The space heater plug can be rotated 180 to adapt to sockets in different states and positions. If your socket is upside down, simply rotate the plug to fit the socket.