LED exit sign: battery backup, 6” red letters / white housing, color diffusion, and dual fully rotatable lamp heads for maximized adjustability. Exit sign is powered by LED source for maximum life without maintenance; emergency fixtures utilize high performance. In the event of power loss, both sign and heads will operate for a minimum of 90 minutes. Input Voltage: 120/277VAV Wattage: 3.8W Lumens / Wattage Per Head: (2) 75lm / 1.5W CCT: 5700K Finish: White Battery: 3.6V 900mAh Ni-Cad battery operates integral heads and exit LED sources. 90 minute emergency operation Internal solid state charging circuit. High temperature rated Ni-cad battery; Low voltage protection; Test switch and battery charging indicator; 24-hours recharge, more than 90 minutes discharge Face: Single or dual configuration. Optional solid face panel is included. 6” high text with color diffusion. Knockout directional chevrons. Remote Capability: 3.6V / 0.75W / 75lm per head Testing: High-charge/ready operation indicator light; Manual test switch and indicator; Self-testing and self-diagnostics; Isolated surge/short circuit protection Mounting: Wall or side mount. All mounting hardware included. Listing: cULus Listed for Damp Locations, UL 924, OSHA, NFPA 101