0-10V dimming driver standard. Supports California Title 24 compliance. Safety cables attached to LED gear tray. 20 ga. cold rolled steel welded housing. 20 ga. cold rolled steel door frame secured by stainless steel piano hinge and 2 captive stainless steel tamper proof screws. Inner frame lens retainer rail. One way polyurethane gasket standard. High impact clear prismatic acrylic lens (nominal 0.187) standard.