[Ceramic space heater] Advanced PTC ceramic heating elements provide faster and more efficient heating than traditional heaters. The small space heater can quickly heat up in 3 seconds. Small and powerful, it is the perfect heater for home, bedroom, office and under the table [Safety features] Overheating protection ensures that the space heater will not overheat even if it is turned on for a long time. If the equipment accidentally overturns or reaches a high temperature of 176 , it will automatically shut down, effectively avoiding combustion or fire or any other safety accidents [Quiet design] The desktop heater is very suitable for winter and cold nights. 45db quiet heating increases comfort while maintaining the temperature you need. It is very suitable for living room, bedroom, office, dormitory, etc. [Material] Our small heater is made of ABS material, which is a high temperature resistant and flame retardant material. It will not overheat even if it is opened for a long time [Portable design] Light but powerful, you can easily carry it in any room. [What will you get] It is accompanied by our worry free 180 day return and lifelong friendly service. If you have any questions, please feel free to contact us. (Note: According to your comments, Amazon does not provide access to your order details. Therefore, we cannot contact you to solve your problem.)