Body and trim: Steel and aluminium.Finish: Powder coated.Diffusers: Opal Polycarbonate, supplied in sections.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.Approvals: ETL