Material: The electric heaters are made of premium material, which is durable and wear-resistant, not easy to break, and can be used for a long time. Fast heating speed: These heaters have fast heating speed and low thermal resistance, providing higher efficiency and longer service life. LOW NOISE: Enjoy silence while keeping your space warm and comfortable. The noise is very small and almost unnoticeable. PTC-Ceramic Heating Elements: While traditional fixed-resistance heaters employ wires and coils to generate heat, the ceramic heating elements provide fast and more efficient heating. These space heaters maximize heat output without the need for open coils. This dynamic heating system is not only effective & safe but also time and energy-efficient. Wide application: These heaters have an overheat protection function, allowing you to stay warm and comfortable in any small space, perfect for indoors. Plug Type: US Plug (suitable for Canada, India, Mexico, Thailand, the United States, the Philippines, Taiwan) / EU Plug (suitable for Indonesia, Germany, France, Spain, Italy) Voltage: AC100-240V Color: Green / Yellow / White Package Contents: 1*Portable Mini Heaters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.