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. Approvals: ETL.