Height Adjustable RodsFully adjustable designer rods allows you to customize the fixture to your lighting needs and desired look.Easy InstallationFreely to adjust the rod's length as your required , includes all mounting hardware for easy installation.Bulb RequirementsUses four medium base E26 light bulbs (60W max). Fully dimmable when used with a dimmable bulb and compatible dimmer switch.NOTEPlease install it by a licensed electrician.Please make sure you have cut off the electricity supply before installation.For the longer service life, Please use it in dry environment.