Globe Electric's 4 in. Flush Round Trim Recessed Lighting Kit with tempered frosted glass and a white finish is the perfect way to brighten up the interior of your home or commerce with style. Featuring patented PUSH-N-CLICK clips to grip uneven holds and surfaces installation is tool-free and easy. The frosted glass emits an indirect glow perfect for bright mood lighting. Completely dimmable with a compatible dimmer switch to set the perfect mood and ambiance. Requires one 35-Watt halogen or 7-Watt LED GU10 bi-pin base MR16 bulb (sold separately). Dimmable with a compatible dimmer switch (not included). Cut a 3.88 in. hole for this item, actual decorative trim size is 4.25 in.