High-Power Universal Socket: Equipped with a high-power universal socket, this automatic retractable extension cord reel supports both 16A and 10A devices, for various uses with retractable electric cord reels Safe and Construction: Features high flame retardant safety wire, ensuring reliability and safety for all tasks, whether for retractable cable reels or heavy-duty extension cord reels Automatic Telescopic Design: The built-in self-locking device and automatic telescopic design enable effortless retraction and extension of the extension cord retractable reel, offering ease of use Adjustable Wire Length: The positioning ball design allows precise control over the output wire length, making this for various setups requiring retractable extension cords or extension cord with reel functionality Long-Lasting Performance: With a high-performance coil spring, this retractable cord reel is designed to endure over 100,000 retractions, ensuring reliable and long-term use in both residential and professional environments