Description : Built - in ceramic heating element with high thermal efficiency , it only takes about 5 seconds from wind - making to wind - out , that is , it will warm up when it is turned on , and it will heat up in 3 seconds . It has dual convection , fence - style concentrated flow and a wider range . It is equipped with sensitive temperature control and has the ability of automatic constant temperature , which keeps the output warm air temperature constant in the range of 60degrees Celsius - 90degrees Celsius without sudden cold and heat . With a power of 500W , it is not afraid of power restrictions , energy saving and low consumption , and the dormitory can also be used with confidence . Set up 3 major safety guarantees , flame - retardant heat insulation materials , PTC thermal protector , and temperature fuse , so that you can use it with more peace of mind . The user - friendly one - button switch can be used by the elderly and children . The anti - skid strip design is added at the bottom , which is not easy to slide . At the same time , there is a hidden switch at the bottom to prevent children from accidentally touching it . Quiet work , easy to cope with home office , suitable for various scenarios . It is palm - sized and can be placed in a handbag , making it easy to carry when going to school and work . Specification : Product Model : LKS - 500 Product Weight : about 445g . Rated Frequency : 50Hz Rated Voltage : 220V ~ Rated Power : 500W Maximum Heating Area : 20m ^ 2 or less Applicable Area : less than 10 Heating Method : ceramic heating Size Chart : 15 . 5x9x11 . 5cm / 6 . 10x3 . 54x4 . 53inch Package Includes : 1 Piece Electric Heater ( plug ) 1 Piece Manual