．World's first flat-panel light steel frame circulating fan ．ECO intelligent variable frequency temperature sensing ．Universal voltage: 110V-240V ．Innovative flat design pioneered in Taiwan, providing a spacious visual experience without feeling cramped ．Tool-free disassembly for easy cleaning, effortless wipe-down maintenance ．Automatic memory function, 1 to 9-speed 360-degree rotation, remembers the speed and timer settings before shutdown ．Energy-saving, environmentally friendly, low power consumption, exceeding national energy efficiency standards ．Made of ABS material ．Replaceable air duct adapter reduces compressor startup load ．Made in Taiwan The structure of a constant temperature fan with unobstructed airflow consists of a fan box back panel, fan blades, panel, motor, and embedded circuit module. The embedded circuit module is installed inside an electrical fixing seat, and the electrical fixing seat is positioned on the back of the fan box back panel. This arrangement creates a smooth arc surface on the inner side of the fan box back panel, providing an unobstructed space for stable and directed airflow when air is guided into the space. Moreover, the use of a variable frequency motor allows for achieving a constant temperature, ensuring rapid and even temperature distribution in the external space. This design contributes to energy conservation and efficiency, enhancing the effectiveness of cooling. The placement of the electrical fixing seat for the circuit IC board on the back of the fan box back panel facilitates easy assembly and disassembly for maintenance in case of malfunctions. The flat light steel frame energy-saving fan has many advantages, but there may still be some pain points, such as: 1. High price: The selling price is higher than the price range of other fans on the market, which may deter some potential customers, especially those who are price-sensitive consumers. 2. Dependency on power supply: Although it can adapt to a full voltage range of 100V to 240V, there may still be issues with unstable power supply or inability to connect to power sources in some areas or locations, especially when used outdoors. 3. Actual needs vs. value perceptions: Some consumers may consider additional features unnecessary, as they are more concerned about the basic functions and performance of the fan. In their view, additional features may not be worth the extra cost.