2.5-inch 7w hole 7.5 to 8cm (warranty for 3 years) 2.5-inch 12w hole 7.5 to 8cm (warranty for 3 years) 3.5-inch 12w hole 9.5 to 10cm (warranty for 3 years) 3.5-inch 15w hole 9.5 to 10cm (warranty for 3 years) 3.5-inch 20w hole 9.5 to 10cm (warranty for 3 years) 4-inch 30w hole 11.5 to 12cm (warranty for 3 years) 5-inch 40w hole 14.5 to 15cm (warranty for 3 years) 5.5-inch 40w hole 14.5 to 18cm (warranty for 3 years)

3000k 4000k 6000k three colors 4500k 5000k