Chalmit Sterling III Zone 2 is a high quality, cost effective linear presenting power savings over the existing product, without impacting on performance. Featuring a GRP body shell and lightweight, single gear tray design the Sterling III Zone 2 provides ease of installation and maintenance. The product is available in 3 different lumen packages (3000, 6000 & 9000 lumens) and 3 different body sizes all suitbale for use with an internal emergency battery option.