Amerlux’s Rook 3.5? Square Pendant is a versatile solution for open ceilings as a surface-mount pendant or a pendant with a remote driver. The Rook 3.5? Square Pendant re-imagines the popular Hornet HP Downlight in a new square pendant form. The Hornet family of LED downlights is a lighting system with a variety of different options, including square and round trim, beam spreads that range from a very narrow flood to a very wide flood and adjustable accent.