Body and trim: Steel and aluminum.Finish: Powder coated.Suspension: Stainless steel cables, three per fixture, 2000mm/78" long.Power cable: Silver braided, 2000mm/78" long.Diffusers: Opal polycarbonate.Drivers: Integral, HPF electronic drivers for 120-277V, 0-10V, 1% dimming standard.Mechanical: Luminaires mount directly over J box (by others).Emergency system: Emergency option provides a 1.5 hour emergency lighting facility. The self contained system includes the inverter module, batteries, an LED charge indicator and a test switch.Electrical: Luminaires are pre-wired with a factory installed branch circuit wiring with quick connectors. Through wiring is used to connect individual luminaires.L70 @25oC:> 50,000 hrsApprovals: cETLus.