Recessed Twin Head Emergency Lighting - Unobtrusive Twin Emergency Exit Lights that you can rely on.Recessed Twin Head Emergency Lighting features include: Recessed emergency lighting unit mounts flush with ceiling for a concealed, unobtrusive look Completely self-contained Compact, flush mount design Durable 20 Gauge Steel Trim plate Trim Plate securely attaches to housing with spring clips Mounting bar hangers included Compatible with drywall drop ceiling installations 6-volt, pure lead, maintenance-free battery Environmentally-coated, solid state charger Automatic, low voltage disconnect(LVD) Universal transformer for 120 or 277 VAC Injection-Molded, V-O Flame Retardant, high impact, thermoplastic housing Charge rate/power on LED indicator light Push to test switch 90 minute emergency operation LED lamp head Plastic Prismatic Lens UL Listed 5 Year Warranty Order Qty of 1 = 1 Piece Below is more info on our Recessed Twin Head Emergency Lighting