[Modern and practical design] Structure of metal, Shiny gloss, simple appearance, smooth touch. This latest generation of outdoor heaters is definitely the focus of the crowd. In particular, the umbrellalike design at the top allows for more uniform heating. The aesthetic feeling extremely. Product size is top length is 23.81 inches, the bottom length is 23.81 inches. Height adjustable, 52.76 inch lowest, 75.6 inch highest.[Quiet, quick and efficient heating] The heating speed is not more than 5 seconds, the heating range is 3-5 meters, 30 seconds can heat the whole room. And the whole heating is noiseless, quiet and fast. This heater is perfect choice for efficient heating and quiet[Double protection ensures safety] The heater is equipped with two separate heating filaments that can be opened and closed independently, double carbon heat pipe, radiant heating, high power, high thermal efficiency, fast heating, the longer it is open, the hotter it is.[Multiple safety design] This product not only has high heating efficiency, but also the designer has considered the safety factor in the design. The Tip-over SWITCH makes heating safer, power off protection will automatically cut off the power if the product overheats, waterproof and rainproof design and switch insulation waterproof design makes outdoor use batter safe.[After sales service] Free replacement for installation problems, damage and missing parts within1 year. If any problem, please feel free to contact our customer service team. We are happy to answer any questions from our customers.