The Provider Series emergency lighting system has fully automatic equipment with two (2) emergency lighting heads. The emergency lighting heads require no tools for adjusting or aiming.SPECIFICATIONS:- Injection-molded, impact-, scratch- and corrosion-resistant thermoplastic with a snap-together design - Compact and versatile – unit measures only 11.75” x 5” and can be wall or ceiling mounted - Variety of lamp types including optional MR16 LED lamps with life expectancy of 50,000+ hours - Maintenance-free, long-life sealed Lead Calcium battery - Fast and easy installation - AC quick connect plug, battery knockout feature - Fully automatic, solid-state charger with low voltage battery disconnect, brownout protection, integral test switch and long-life LED AC-On pilot lights - Charger is temperature compensated and reverse polarity protected - NEXUS compatible (For more information, please consult your sales representative) - Meets or exceeds CSA 22.2 No.141 - Optional ceiling mount includes safety wire pre-machined housing to receive a securement screw