Globe Electric 4" Die-Cast Swivel Square Trim Recessed Lighting Kit, Brushed Nickel, Easy Install Push-N-Click Clips, 3.88" Hole Size 90039 ADJUSTABLE TRIM: Directional swivel eyeball gimbal, perfect for highlighting areas of interest such as artwork, photographs or furniture. This gives you the ability to focus light on specific areas and can be directed for any desired look. EASY INSTALL: fast, easy, and secure installation with patented PUSH-N-CLICK clip mounting system which is fully adjustable and extra wide to grip uneven surfaces and provides for simple tool-free installation. IC RATED: when kit is used with LED Bulb. Integrated cut-off switch, ensuring that the fixture will not overheat and can be used with or without an insulation box. ROBUST CONSTRUCTION: longer shaft with one-piece spun aluminum housing can and large accessible electrical box with removable side panels and tempered steel clips. Thermally-protected housing certified in both US and Canada. BULB REQUIREMENTS: one 50W equivalent MR16 GU10 light bulbs (sold separately). NEW CONSTRUCTION READY: with Globe Electric 90141 Mounting Plate (ASIN B00C6WHN6E)