Transform your home with a simple squeeze of the ratchet power trigger which feeds paint from the on board reservoir right to your roller and onto your walls or ceilings perfect for painting hallways living rooms family rooms bedrooms and any interior walls the extended handle lets you reach 8 ceilings with ease use to operate turn the switch on the main handle to fill pull the plunger back to fill the tube with paintthen leave switch on fill and push plunger forward u