Material: Body/Spacer: ABS resin, Metal Fitting/Screw: Steel; Size: 2.1 x 2.9 x 1.5 inches (54 x 73 x 37 mm); Weight: 4.2 oz (125 g) (including accessories); Prevents the door of hanging cabinet such as kitchen cabinets from opening in the event of an earthquake. ^Automatically detects and locks ^You can manually lock it by pressing the button. ^You can check the lock status as it looks like. ^Does not interfere with opening or closing the door when unscrewed. ^Accessories: Spacer (0.1 inch / 5 mm) x 1, auxiliary mounting hardware x 1, round plate screws (0.14 x 0.71 inches / 3.5 x 18 mm) x 3, pots