Check the listing for details. Eterna Emergency Exit LED Maintained Bulkhead With Adhesive Arrow Down Sign. Condition: New. Listed at 20.78 USD. The Eterna EMLED3M LED emergency light Bulkhead is designed to ensure that people know where emergency exits are in case of fire or other emergency. The mantained light has a 3 hour minimum functionality in emergency mode meaning it can still activate when their is no power. Featuring durable poly-carbonate construction the Bulkhead is rated IP65 meaning it can be used in inside or outside locations such as in warehouses, schools, halls, apartment properties, hotels, etc. Polycarbonate Construction with hinged gear tray for indoor and outdoor use Emergency maintained Minimum 3 hour functionality in emergency mode Facility for remote switching 30,000 hrs life time Technical Specification: Lumen Output: 235lm Mains Output | 150lm Battery Output Lifetime: 30,000 Hrs 1 Y.