The heater utilizes PTC ceramic heating element,1500watts energy-saving setting, portable space heater warms you up in shortly 1 second while creating a comfortable personal zone, with the latest PTC ceramic heating technology, INLASK portable personal heater achieve higher heat conversion rate and lower the power consumption. Quickly and efficiently warm the air around you in 1s. With 1500 watts energy-saving setting, you can enjoy the warmth at the lowest cost.