Lithonia Lighting ECBR LED M6 LED Exit and Emergency Light Bar Combo Fixture with Back Up Battery, Red Letters COMBINATION DESIGN provides LED exit sign, emergency lighting unit and high output Ni-Cad battery back up in one compact, modern design when needed in case of emergency. Battery can also power up to 3 watts of remote LED lights EXTREMELY BRIGHT LEDs and 6" high letters with 3/4" stroke are visible from up to 100 feet away which meets UL924 Standards. Emergency Light Bar swivels to direct the light where most needed ADJUSTABLE OPTIONS: LED Emergency Exit fixture comes with easily removable chevrons for directional indication and extra face plate to convert to double face HIGHLY RATED FOR MULTIPLE LOCATIONS - UL and damp location listed along with meeting UL924, NFPA 101, NEC and OSHA Standards. STRONG AND DURABLE Housing is made of impact resistant and flame retardant thermoplastic to be prepared for emergency conditions