- Easy to install: Spring door closer for doors up to 150 pounds. Suitable for internal garden doors, external doors and gates, or shed doors. Adjustable spring tension. Follow the instruction and align the arrow in the direction of the door. - Keep quiet and safe: Automatic closing and latching for quiet operation and security. Helps prevent family members or pets from wandering into or out of rooms. - Convenient door closer: The closer arm can swing a full 180 degrees. Converts a hinged door to a self closing door for easy operation. - Adjustable and versatile: Non handed design with adjustable closing speed. Works on both left and right handed swinging doors. Use scenarios - Use on a garden shed door to ensure it closes automatically after entry, keeping the shed secure and reducing drafts. - Install on external doors or gates to improve security and energy efficiency by preventing doors from remaining open. - Fit on interior doors between rooms to maintain room separation and prevent pets or children from wandering freely.