
Automatic Floor Spring Door Closer Dimension 295mm*132mm*82mm. 36 Months Warranty: Comprehensive 36-month warranty coverage for all mechanical defects. High Efficiency Motor: DC three-phase brushless motor with super quiet design and improved service life. Adjustable Closing Speed: Two-section closing speed adjustable from 45 to 135 degrees and 25 to 0 degrees. Customizable Dimensions: Available in custom sizes with hold open time adjustable from 0 to 180 seconds. Laser Logo Marking: Custom laser logo can be marked directly on the machine body. Durable Construction: Passed over 500,000 cycle tests with IP55 protection grade. Wide Temperature Range: Operates in temperatures from -40 to +85 degrees Celsius using low-temp oil. Flexible Control Options: Supports wireless remote control, card readers, and configurable lock interfaces.