Energy-Efficient Heater 1. Power up to 500W to heat small and medium-sized rooms. This mini heater is energy-efficient and low-power, allowing you to enjoy comfortable warmth during the cold winter without breaking the bank. 2.2S Fast Heating Heater - Equipped with PTC ceramic heating technology and a high-speed fan, the heater can quickly provide sufficient heat and heat small spaces in minutes. And with a 40-decibel reduction in noise levels, the heater is quiet enough to be used in bedrooms, offices, and living rooms. 3. SAFETY PROTECTION - Automatic tip-over shutoff and overheat protection are ideal safety features, especially in homes with children and pets. The air outlet of the small heater is double-protected by anti-scald plastic guardrails and iron nets, so there is no need to worry about burns. 4. Portable Compact Heater - This heater has a silicone handle on the back for easy portability. The cord material is rubber, which can be kept in cold weather. It measures 5.1 x 3.6