Description: Name: Constant temperature desktop heater Rated power: 500W Gear selection: one-button switch design Heating range: whole house warm Safety design: overheating power-off protection Product size: 26X24.5X9.5CN Voltage: 220V, 110V Specifications: 1. Negative ions purify the air and enjoy the aerobic temperature: turn on the negative ion function, each cubic centimeter will generate 3.5*106~4.0*106n concentration of negative ions, adding "air vitamins". 2. Double security, overheating/fuse protection: The built-in thermal fuse responds quickly and automatically cuts off the circuit when the temperature is too high. When the thermal fuse senses that the machine is not working normally and the output is overheated, it immediately cuts off the circuit to effectively prevent accidents. 3. Fast constant temperature. When the temperature point is not reached, the resistivity is very low. Once the set temperature point is exceeded, the resistivity increases suddenly, so that the current drops to a stable value and achieves the purpose of automatic temperature control and constant temperature. Package Included: 1 * Machine 1 * Instructions Notes: Don't leave 1 star and 2 star feedback without asking for help. If you have any questions, please contact us. We will try our best to solve any problems and provide you with the best customer service.