Globe Electric's 4" Round Trim Recessed Lighting Kit with round trim and white finish is the perfect way to brighten up the interior of your home or commerce with style. Featuring patented PUSH-N-CLICK clips which are fully adjustable and extra wide to grip uneven surfaces and provide easy tool-free installation. A swivel light bulb gives you the ability to focus light on specific areas and can be directed for any desired look. An integrated cut-off switch ensures that the fixture will not overheat and can be used with or without an insulation box. Dimmable with a compatible dimmer switch (not included). Requires one 50-watt equivalent GU10 MR16 light bulb (sold separately). Cut a 3.88-inch hole for this item..