[Ceramic Space Heater] Advanced PTC ceramic heating elements provide faster and more efficient heating than conventional heaters. The small space heater heats up quickly in 3 seconds. Small but powerful, it is the perfect heater for homes, bedrooms, offices and under desks [Safety Feature] Overheating protection ensures that the space heater will not overheat even if it is left on for a long time. What if the device accidentally tips over or reaches a high temperature of 176? It will automatically turn off, effectively avoiding burning or fire or any other safety accident, [Silent Design] The desktop heater is perfect for winter and cold nights. Perfect for living rooms, bedrooms, offices, dormitories, etc. [Material] Our compact heaters are made of ABS, a heat-resistant flame retardant material.