3 SECONDS FAST HEATING: The space heater uses advanced electric filament heating, this instant warmth electric heater can instantly output high heat that you will feel in just 3 seconds.Energy efficient: The electric heater is heated by an advanced electric filament, compared to traditional patio heaters, our electric heaters are more environmentally friendly, produce no greenhouse gases and can save you 30%-40% on your electricity bill.Adjustable heating mode: three wind speeds to switch between, a rotary button to turn off, a wind design to reduce wind noise and a wider heating rangeSafety protection: this space heater has an IP44 dust and water resistance rating. Overheating protection, no fear of children around, gives you peace of mind.Ultra low noise: improves air delivery efficiency, reduces shading and reduces wind noise,Please note that this is not a battery heating, it is a plug-in type